diff --git a/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift b/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift
index fd47ddfacb..334abd76ee 100644
--- a/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift
+++ b/apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift
@@ -515,7 +515,7 @@ struct ComposeView: View {
                         sendMessageView(
                             disableSendButton,
                             placeholder: chat.chatInfo.groupInfo.map { gi in
-                                gi.useRelays && gi.membership.memberRole >= .owner
+                                gi.useRelays && gi.membership.memberRole >= .owner && chat.chatInfo.groupChatScope() == nil
                                 ? NSLocalizedString("Broadcast", comment: "compose placeholder for channel owner")
                                 : nil
                             } ?? nil
@@ -1659,7 +1659,7 @@ struct ComposeView: View {
                     type: chat.chatInfo.chatType,
                     id: chat.chatInfo.apiId,
                     scope: chat.chatInfo.groupChatScope(),
-                    sendAsGroup: chat.chatInfo.groupInfo.map { $0.useRelays && $0.membership.memberRole >= .owner } ?? false,
+                    sendAsGroup: chat.chatInfo.sendAsGroup,
                     live: live,
                     ttl: ttl,
                     composedMessages: msgs
diff --git a/apps/ios/Shared/Views/Chat/Group/GroupChatInfoView.swift b/apps/ios/Shared/Views/Chat/Group/GroupChatInfoView.swift
index 9279c53c83..21685fccd1 100644
--- a/apps/ios/Shared/Views/Chat/Group/GroupChatInfoView.swift
+++ b/apps/ios/Shared/Views/Chat/Group/GroupChatInfoView.swift
@@ -103,6 +103,10 @@ struct GroupChatInfoView: View {
                         }
                     }
 
+                    let showUserSupportChat = groupInfo.membership.memberActive
+                        && ((groupInfo.fullGroupPreferences.support.on && groupInfo.membership.memberRole < .moderator)
+                            || groupInfo.membership.supportChat != nil)
+
                     if groupInfo.useRelays {
                         Section {
                             // TODO [relays] allow other owners to manage channel link (requires protocol changes to share link ownership)
@@ -124,6 +128,12 @@ struct GroupChatInfoView: View {
                             if groupInfo.isOwner || members.contains(where: { $0.wrapped.memberRole >= .owner }) {
                                 channelMembersButton()
                             }
+                            if groupInfo.membership.memberRole >= .moderator {
+                                memberSupportButton()
+                            }
+                            if showUserSupportChat {
+                                UserSupportChatNavLink(chat: chat, groupInfo: groupInfo, scrollToItemId: $scrollToItemId)
+                            }
                         } footer: {
                             if !groupInfo.isOwner && groupInfo.groupProfile.publicGroup?.groupLink != nil {
                                 Text("You can share a link or a QR code - anybody will be able to join the channel.")
@@ -141,8 +151,7 @@ struct GroupChatInfoView: View {
                             if groupInfo.canModerate {
                                 GroupReportsChatNavLink(chat: chat, groupInfo: groupInfo, scrollToItemId: $scrollToItemId)
                             }
-                            if groupInfo.membership.memberActive
-                                && (groupInfo.membership.memberRole < .moderator || groupInfo.membership.supportChat != nil) {
+                            if showUserSupportChat {
                                 UserSupportChatNavLink(chat: chat, groupInfo: groupInfo, scrollToItemId: $scrollToItemId)
                             }
                         } header: {
diff --git a/apps/ios/Shared/Views/Chat/Group/GroupMemberInfoView.swift b/apps/ios/Shared/Views/Chat/Group/GroupMemberInfoView.swift
index af7054db01..4dff86f7bb 100644
--- a/apps/ios/Shared/Views/Chat/Group/GroupMemberInfoView.swift
+++ b/apps/ios/Shared/Views/Chat/Group/GroupMemberInfoView.swift
@@ -121,13 +121,15 @@ struct GroupMemberInfoView: View {
                 }
 
                 if connectionLoaded {
+                    let showMemberSupportChat = !openedFromSupportChat
+                        && groupInfo.membership.memberRole >= .moderator
+                        && member.memberRole != .relay
+                        && ((groupInfo.fullGroupPreferences.support.on && member.memberRole < .moderator)
+                            || member.supportChat != nil)
 
                     if member.memberActive {
                         Section {
-                            if !openedFromSupportChat
-                                && groupInfo.membership.memberRole >= .moderator
-                                && member.memberRole != .relay
-                                && (member.memberRole < .moderator || member.supportChat != nil) {
+                            if showMemberSupportChat {
                                 MemberInfoSupportChatNavLink(groupInfo: groupInfo, member: groupMember, scrollToItemId: $scrollToItemId)
                             }
                             if let code = connectionCode,
@@ -142,6 +144,10 @@ struct GroupMemberInfoView: View {
                             //     synchronizeConnectionButtonForce()
                             // }
                         }
+                    } else if groupInfo.useRelays && member.memberCurrent && showMemberSupportChat {
+                        Section {
+                            MemberInfoSupportChatNavLink(groupInfo: groupInfo, member: groupMember, scrollToItemId: $scrollToItemId)
+                        }
                     }
 
                     if let contactLink = member.contactLink {
diff --git a/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift b/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
index 84e852f5a3..49b9829830 100644
--- a/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
+++ b/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
@@ -46,13 +46,30 @@ struct GroupPreferencesView: View {
                     featureSection(.voice, $preferences.voice.enable, $preferences.voice.role)
                     featureSection(.files, $preferences.files.enable, $preferences.files.role)
                     featureSection(.simplexLinks, $preferences.simplexLinks.enable, $preferences.simplexLinks.role)
-                    featureSection(.reports, $preferences.reports.enable)
+                    featureSection(.reports, $preferences.reports.enable, disabled: true) // enable reports in 7.0 once directory support added
                     featureSection(.history, $preferences.history.enable)
+                    featureSection(.support, $preferences.support.enable, disabled: true)
                 } else {
                     featureSection(.timedMessages, $preferences.timedMessages.enable)
                     featureSection(.fullDelete, $preferences.fullDelete.enable)
                     featureSection(.reactions, $preferences.reactions.enable)
                     featureSection(.history, $preferences.history.enable)
+                    let supportNotice = NSLocalizedString("Chats with admins in public channels have no E2E encryption - use only with trusted chat relays.", comment: "alert message")
+                    featureSection(.support, $preferences.support.enable, notice: supportNotice)
+                        .onChange(of: preferences.support.enable) { enable in
+                            if enable == .on {
+                                showAlert(
+                                    NSLocalizedString("Enable chats with admins?", comment: "alert title"),
+                                    message: supportNotice,
+                                    actions: {[
+                                        UIAlertAction(title: NSLocalizedString("Enable", comment: "alert button"), style: .destructive) { _ in },
+                                        UIAlertAction(title: NSLocalizedString("Cancel", comment: "alert button"), style: .cancel) { _ in
+                                            preferences.support.enable = .off
+                                        }
+                                    ]}
+                                )
+                            }
+                        }
                 }
 
                 if groupInfo.isOwner {
@@ -92,7 +109,7 @@ struct GroupPreferencesView: View {
         }
     }
 
-    private func featureSection(_ feature: GroupFeature, _ enableFeature: Binding<GroupFeatureEnabled>, _ enableForRole: Binding<GroupMemberRole?>? = nil) -> some View {
+    private func featureSection(_ feature: GroupFeature, _ enableFeature: Binding<GroupFeatureEnabled>, _ enableForRole: Binding<GroupMemberRole?>? = nil, disabled: Bool = false, notice: String? = nil) -> some View {
         Section {
             let color: Color = enableFeature.wrappedValue == .on ? .green : theme.colors.secondary
             let icon = enableFeature.wrappedValue == .on ? feature.iconFilled : feature.icon
@@ -105,7 +122,7 @@ struct GroupPreferencesView: View {
                 settingsRow(icon, color: color) {
                     Toggle(feature.text, isOn: enable)
                 }
-                .disabled(feature == .reports) // remove in 6.4
+                .disabled(disabled)
                 if timedOn {
                     DropdownCustomTimePicker(
                         selection: $preferences.timedMessages.ttl,
@@ -144,8 +161,11 @@ struct GroupPreferencesView: View {
                 }
             }
         } footer: {
-            Text(feature.enableDescription(enableFeature.wrappedValue, groupInfo.isOwner))
-                .foregroundColor(theme.colors.secondary)
+            VStack(alignment: .leading) {
+                Text(feature.enableDescription(enableFeature.wrappedValue, groupInfo.isOwner))
+                if let notice { Text(notice) }
+            }
+            .foregroundColor(theme.colors.secondary)
         }
         .onChange(of: enableFeature.wrappedValue) { enabled in
             if case .off = enabled {
diff --git a/apps/ios/Shared/Views/Chat/Group/MemberSupportView.swift b/apps/ios/Shared/Views/Chat/Group/MemberSupportView.swift
index 3dc27c08f6..880933985c 100644
--- a/apps/ios/Shared/Views/Chat/Group/MemberSupportView.swift
+++ b/apps/ios/Shared/Views/Chat/Group/MemberSupportView.swift
@@ -45,7 +45,7 @@ struct MemberSupportView: View {
         : membersWithChats.filter { $0.wrapped.localAliasAndFullName.localizedLowercase.contains(s) }
 
         if membersWithChats.isEmpty {
-            Text("No chats with members")
+            Text(groupInfo.fullGroupPreferences.support.on ? "No chats with members" : "Chats with members are disabled")
                 .foregroundColor(.secondary)
         } else {
             List {
diff --git a/apps/ios/Shared/Views/NewChat/AddChannelView.swift b/apps/ios/Shared/Views/NewChat/AddChannelView.swift
index 4e9a42971c..eae690f5d5 100644
--- a/apps/ios/Shared/Views/NewChat/AddChannelView.swift
+++ b/apps/ios/Shared/Views/NewChat/AddChannelView.swift
@@ -161,7 +161,10 @@ struct AddChannelView: View {
     private func createChannel() {
         focusDisplayName = false
         profile.displayName = profile.displayName.trimmingCharacters(in: .whitespaces)
-        profile.groupPreferences = GroupPreferences(history: GroupPreference(enable: .on))
+        profile.groupPreferences = GroupPreferences(
+            history: GroupPreference(enable: .on),
+            support: GroupPreference(enable: .off)
+        )
         creationInProgress = true
         Task {
             do {
diff --git a/apps/ios/SimpleX SE/ShareAPI.swift b/apps/ios/SimpleX SE/ShareAPI.swift
index f13401d437..52c0405e5e 100644
--- a/apps/ios/SimpleX SE/ShareAPI.swift	
+++ b/apps/ios/SimpleX SE/ShareAPI.swift	
@@ -68,7 +68,7 @@ func apiSendMessages(
             type: chatInfo.chatType,
             id: chatInfo.apiId,
             scope: chatInfo.groupChatScope(),
-            sendAsGroup: chatInfo.groupInfo.map { $0.useRelays && $0.membership.memberRole >= .owner } ?? false,
+            sendAsGroup: chatInfo.sendAsGroup,
             live: false,
             ttl: nil,
             composedMessages: composedMessages
diff --git a/apps/ios/SimpleXChat/ChatTypes.swift b/apps/ios/SimpleXChat/ChatTypes.swift
index 1dd2e5dd3f..aa856c8fc3 100644
--- a/apps/ios/SimpleXChat/ChatTypes.swift
+++ b/apps/ios/SimpleXChat/ChatTypes.swift
@@ -867,6 +867,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
     case simplexLinks
     case reports
     case history
+    case support
 
     public var id: Self { self }
 
@@ -888,6 +889,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         case .simplexLinks: true
         case .reports: false
         case .history: false
+        case .support: false
         }
     }
 
@@ -902,6 +904,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         case .simplexLinks: return NSLocalizedString("SimpleX links", comment: "chat feature")
         case .reports: return NSLocalizedString("Member reports", comment: "chat feature")
         case .history: return NSLocalizedString("Visible history", comment: "chat feature")
+        case .support: return NSLocalizedString("Chat with admins", comment: "chat feature")
         }
     }
 
@@ -916,6 +919,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         case .simplexLinks: return "link.circle"
         case .reports: return "flag"
         case .history: return "clock"
+        case .support: return "questionmark.circle"
         }
     }
 
@@ -930,6 +934,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         case .simplexLinks: return "link.circle.fill"
         case .reports: return "flag.fill"
         case .history: return "clock.fill"
+        case .support: return "questionmark.circle.fill"
         }
     }
 
@@ -988,6 +993,11 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
                 case .on: return "Send up to 100 last messages to new members."
                 case .off: return "Do not send history to new members."
                 }
+            case .support:
+                switch enabled {
+                case .on: return "Allow members to chat with admins."
+                case .off: return "Prohibit chats with admins."
+                }
             }
         } else {
             switch self {
@@ -1036,6 +1046,11 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
                 case .on: return "Up to 100 last messages are sent to new members."
                 case .off: return "History is not sent to new members."
                 }
+            case .support:
+                switch enabled {
+                case .on: return "Members can chat with admins."
+                case .off: return "Chats with admins are prohibited."
+                }
             }
         }
     }
@@ -1190,6 +1205,7 @@ public struct FullGroupPreferences: Decodable, Equatable, Hashable {
     public var simplexLinks: RoleGroupPreference
     public var reports: GroupPreference
     public var history: GroupPreference
+    public var support: GroupPreference
     public var commands: [ChatBotCommand]
 
     public init(
@@ -1202,6 +1218,7 @@ public struct FullGroupPreferences: Decodable, Equatable, Hashable {
         simplexLinks: RoleGroupPreference,
         reports: GroupPreference,
         history: GroupPreference,
+        support: GroupPreference,
         commands: [ChatBotCommand]
     ) {
         self.timedMessages = timedMessages
@@ -1213,6 +1230,7 @@ public struct FullGroupPreferences: Decodable, Equatable, Hashable {
         self.simplexLinks = simplexLinks
         self.reports = reports
         self.history = history
+        self.support = support
         self.commands = commands
     }
 
@@ -1226,6 +1244,7 @@ public struct FullGroupPreferences: Decodable, Equatable, Hashable {
         simplexLinks: RoleGroupPreference(enable: .on, role: nil),
         reports: GroupPreference(enable: .on),
         history: GroupPreference(enable: .on),
+        support: GroupPreference(enable: .on),
         commands: []
     )
 }
@@ -1240,6 +1259,7 @@ public struct GroupPreferences: Codable, Hashable {
     public var simplexLinks: RoleGroupPreference?
     public var reports: GroupPreference?
     public var history: GroupPreference?
+    public var support: GroupPreference?
     public var commands: [ChatBotCommand]?
 
     public init(
@@ -1252,6 +1272,7 @@ public struct GroupPreferences: Codable, Hashable {
         simplexLinks: RoleGroupPreference? = nil,
         reports: GroupPreference? = nil,
         history: GroupPreference? = nil,
+        support: GroupPreference? = nil,
         commands: [ChatBotCommand]? = nil
     ) {
         self.timedMessages = timedMessages
@@ -1263,6 +1284,7 @@ public struct GroupPreferences: Codable, Hashable {
         self.simplexLinks = simplexLinks
         self.reports = reports
         self.history = history
+        self.support = support
         self.commands = commands
     }
 
@@ -1276,6 +1298,7 @@ public struct GroupPreferences: Codable, Hashable {
         simplexLinks: RoleGroupPreference(enable: .on, role: nil),
         reports: GroupPreference(enable: .on),
         history: GroupPreference(enable: .on),
+        support: GroupPreference(enable: .on),
         commands: nil
     )
 }
@@ -1760,6 +1783,18 @@ public enum ChatInfo: Identifiable, Decodable, NamedChat, Hashable {
         }
     }
 
+    public var sendAsGroup: Bool {
+        if let g = groupInfo, g.useRelays && g.membership.memberRole >= .owner {
+            switch groupChatScope() {
+            case .none: true
+            case .memberSupport: false
+            case .reports: false
+            }
+        } else {
+            false
+        }
+    }
+
     public func ntfsEnabled(chatItem: ChatItem) -> Bool {
         ntfsEnabled(chatItem.meta.userMention)
     }
diff --git a/apps/ios/SimpleXChat/ChatUtils.swift b/apps/ios/SimpleXChat/ChatUtils.swift
index 451ac8b4ef..788ac12bae 100644
--- a/apps/ios/SimpleXChat/ChatUtils.swift
+++ b/apps/ios/SimpleXChat/ChatUtils.swift
@@ -25,6 +25,7 @@ extension ChatLike {
             case .files: p.files.on(for: groupInfo.membership)
             case .simplexLinks: p.simplexLinks.on(for: groupInfo.membership)
             case .history: p.history.on
+            case .support: p.support.on
             case .reports: p.reports.on
             }
         } else {
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt
index ef3aa19267..a745542602 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt
@@ -1687,6 +1687,18 @@ sealed class ChatInfo: SomeChat, NamedChat {
     else -> null
   }
 
+  val sendAsGroup: Boolean get() {
+    val g = (this as? Group)?.groupInfo
+    return if (g != null && g.useRelays && g.membership.memberRole >= GroupMemberRole.Owner) {
+      when (groupChatScope()) {
+        null -> true
+        is GroupChatScope.MemberSupport -> false
+      }
+    } else {
+      false
+    }
+  }
+
   fun ntfsEnabled(ci: ChatItem): Boolean =
     ntfsEnabled(ci.meta.userMention)
 
@@ -2133,6 +2145,7 @@ data class GroupInfo (
       GroupFeature.SimplexLinks -> p.simplexLinks.on(membership)
       GroupFeature.Reports -> p.reports.on
       GroupFeature.History -> p.history.on
+      GroupFeature.Support -> p.support.on
     }
   }
 
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt
index f62d4c262d..0e5b57d8c2 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt
@@ -5693,7 +5693,8 @@ enum class GroupFeature: Feature {
   @SerialName("files") Files,
   @SerialName("simplexLinks") SimplexLinks,
   @SerialName("reports") Reports,
-  @SerialName("history") History;
+  @SerialName("history") History,
+  @SerialName("support") Support;
 
   override val hasParam: Boolean get() = when(this) {
     TimedMessages -> true
@@ -5711,6 +5712,7 @@ enum class GroupFeature: Feature {
       SimplexLinks -> true
       Reports -> false
       History -> false
+      Support -> false
     }
 
   override val text: String
@@ -5724,6 +5726,7 @@ enum class GroupFeature: Feature {
       SimplexLinks -> generalGetString(MR.strings.simplex_links)
       Reports -> generalGetString(MR.strings.group_reports_member_reports)
       History -> generalGetString(MR.strings.recent_history)
+      Support -> generalGetString(MR.strings.chat_with_admins)
     }
 
   val icon: Painter
@@ -5737,6 +5740,7 @@ enum class GroupFeature: Feature {
       SimplexLinks -> painterResource(MR.images.ic_link)
       Reports -> painterResource(MR.images.ic_flag)
       History -> painterResource(MR.images.ic_schedule)
+      Support -> painterResource(MR.images.ic_help)
     }
 
   @Composable
@@ -5750,6 +5754,7 @@ enum class GroupFeature: Feature {
     SimplexLinks -> painterResource(MR.images.ic_link)
     Reports -> painterResource(MR.images.ic_flag_filled)
     History -> painterResource(MR.images.ic_schedule_filled)
+    Support -> painterResource(MR.images.ic_help_filled)
   }
 
   fun enableDescription(enabled: GroupFeatureEnabled, canEdit: Boolean): String =
@@ -5791,6 +5796,10 @@ enum class GroupFeature: Feature {
           GroupFeatureEnabled.ON -> generalGetString(MR.strings.enable_sending_recent_history)
           GroupFeatureEnabled.OFF -> generalGetString(MR.strings.disable_sending_recent_history)
         }
+        Support -> when(enabled) {
+          GroupFeatureEnabled.ON -> generalGetString(MR.strings.allow_chat_with_admins)
+          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.prohibit_chat_with_admins)
+        }
       }
     } else {
       when(this) {
@@ -5830,6 +5839,10 @@ enum class GroupFeature: Feature {
           GroupFeatureEnabled.ON -> generalGetString(MR.strings.recent_history_is_sent_to_new_members)
           GroupFeatureEnabled.OFF -> generalGetString(MR.strings.recent_history_is_not_sent_to_new_members)
         }
+        Support -> when(enabled) {
+          GroupFeatureEnabled.ON -> generalGetString(MR.strings.members_can_chat_with_admins)
+          GroupFeatureEnabled.OFF -> generalGetString(MR.strings.chat_with_admins_is_prohibited)
+        }
       }
     }
 }
@@ -5955,6 +5968,7 @@ data class FullGroupPreferences(
   val simplexLinks: RoleGroupPreference,
   val reports: GroupPreference,
   val history: GroupPreference,
+  val support: GroupPreference,
   val commands: List<ChatBotCommand>,
 ) {
   fun toGroupPreferences(): GroupPreferences =
@@ -5968,6 +5982,7 @@ data class FullGroupPreferences(
       simplexLinks = simplexLinks,
       reports = reports,
       history = history,
+      support = support,
       commands = commands,
     )
 
@@ -5982,6 +5997,7 @@ data class FullGroupPreferences(
       simplexLinks = RoleGroupPreference(GroupFeatureEnabled.ON, role = null),
       reports = GroupPreference(GroupFeatureEnabled.ON),
       history = GroupPreference(GroupFeatureEnabled.ON),
+      support = GroupPreference(GroupFeatureEnabled.ON),
       commands = listOf()
     )
   }
@@ -5998,6 +6014,7 @@ data class GroupPreferences(
   val simplexLinks: RoleGroupPreference? = null,
   val reports: GroupPreference? = null,
   val history: GroupPreference? = null,
+  val support: GroupPreference? = null,
   val commands: List<ChatBotCommand>? = null
 ) {
   companion object {
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ComposeView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ComposeView.kt
index 95f51bf284..480320e33e 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ComposeView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ComposeView.kt
@@ -534,7 +534,7 @@ fun ComposeView(
         type = cInfo.chatType,
         id = cInfo.apiId,
         scope = cInfo.groupChatScope(),
-        sendAsGroup = (cInfo as? ChatInfo.Group)?.groupInfo?.let { it.useRelays && it.membership.memberRole >= GroupMemberRole.Owner } ?: false,
+        sendAsGroup = cInfo.sendAsGroup,
         live = live,
         ttl = ttl,
         composedMessages = listOf(ComposedMessage(file, quoted, mc, mentions))
@@ -665,7 +665,7 @@ fun ComposeView(
         toChatType = chat.chatInfo.chatType,
         toChatId = chat.chatInfo.apiId,
         toScope = chat.chatInfo.groupChatScope(),
-        sendAsGroup = (chat.chatInfo as? ChatInfo.Group)?.groupInfo?.let { it.useRelays && it.membership.memberRole >= GroupMemberRole.Owner } ?: false,
+        sendAsGroup = chat.chatInfo.sendAsGroup,
         fromChatType = fromChatInfo.chatType,
         fromChatId = fromChatInfo.apiId,
         fromScope = fromChatInfo.groupChatScope(),
@@ -1496,7 +1496,7 @@ fun ComposeView(
       )
       is SharedContent.ChatLink -> {
         val cInfo = chat.chatInfo
-        val sendAsGroup = (cInfo as? ChatInfo.Group)?.groupInfo?.let { it.useRelays && it.membership.memberRole >= GroupMemberRole.Owner } ?: false
+        val sendAsGroup = cInfo.sendAsGroup
         withBGApi {
           val mc = chatModel.controller.apiShareChatMsgContent(
             chat.remoteHostId, ChatType.Group, shared.groupInfo.groupId,
@@ -1693,7 +1693,7 @@ fun ComposeView(
         Row(Modifier.padding(end = 8.dp), verticalAlignment = Alignment.Bottom) {
           AttachmentAndCommandsButtons()
           val broadcastPlaceholder = (chat.chatInfo as? ChatInfo.Group)?.groupInfo?.let { gi ->
-            if (gi.useRelays && gi.membership.memberRole >= GroupMemberRole.Owner) generalGetString(MR.strings.compose_view_broadcast)
+            if (gi.useRelays && gi.membership.memberRole >= GroupMemberRole.Owner && chat.chatInfo.groupChatScope() == null) generalGetString(MR.strings.compose_view_broadcast)
             else null
           }
           SendMsgView_(disableSendButton = disableSendButton, placeholder = broadcastPlaceholder)
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupChatInfoView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupChatInfoView.kt
index 156ad2cd97..2c3a6c713b 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupChatInfoView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupChatInfoView.kt
@@ -546,6 +546,10 @@ fun ModalData.GroupChatInfoLayout(
 
       var anyTopSectionRowShow = false
       val channelLink = groupInfo.groupProfile.publicGroup?.groupLink
+      val showUserSupportChat = groupInfo.membership.memberActive &&
+        ((groupInfo.fullGroupPreferences.support.on && groupInfo.membership.memberRole < GroupMemberRole.Moderator)
+          || groupInfo.membership.supportChat != null)
+
       if (groupInfo.useRelays) {
         SectionView {
           if (groupInfo.isOwner && groupLink != null) {
@@ -564,6 +568,14 @@ fun ModalData.GroupChatInfoLayout(
             anyTopSectionRowShow = true
             ChannelMembersButton(chat.remoteHostId, groupInfo, showMemberInfo)
           }
+          if (groupInfo.membership.memberRole >= GroupMemberRole.Moderator) {
+            anyTopSectionRowShow = true
+            MemberSupportButton(chat, openMemberSupport)
+          }
+          if (showUserSupportChat) {
+            anyTopSectionRowShow = true
+            UserSupportChatButton(chat, groupInfo, scrollToItemId)
+          }
         }
         if (!groupInfo.isOwner && channelLink != null) {
           SectionTextFooter(stringResource(MR.strings.you_can_share_channel_link_anybody_will_be_able_to_connect))
@@ -590,10 +602,7 @@ fun ModalData.GroupChatInfoLayout(
               }
             }
           }
-          if (
-            groupInfo.membership.memberActive &&
-            (groupInfo.membership.memberRole < GroupMemberRole.Moderator || groupInfo.membership.supportChat != null)
-          ) {
+          if (showUserSupportChat) {
             anyTopSectionRowShow = true
             UserSupportChatButton(chat, groupInfo, scrollToItemId)
           }
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupMemberInfoView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupMemberInfoView.kt
index fc5d697f4f..1bc6f038f3 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupMemberInfoView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupMemberInfoView.kt
@@ -483,14 +483,15 @@ fun GroupMemberInfoLayout(
       SectionSpacer()
     }
 
+    val showMemberSupportChat = !openedFromSupportChat &&
+      groupInfo.membership.memberRole >= GroupMemberRole.Moderator &&
+      member.memberRole != GroupMemberRole.Relay &&
+      ((groupInfo.fullGroupPreferences.support.on && member.memberRole < GroupMemberRole.Moderator)
+        || member.supportChat != null)
+
     if (member.memberActive) {
       SectionView {
-        if (
-          !openedFromSupportChat &&
-          groupInfo.membership.memberRole >= GroupMemberRole.Moderator &&
-          member.memberRole != GroupMemberRole.Relay &&
-          (member.memberRole < GroupMemberRole.Moderator || member.supportChat != null)
-        ) {
+        if (showMemberSupportChat) {
           SupportChatButton()
         }
         if (connectionCode != null && !(groupInfo.useRelays && member.memberRole == GroupMemberRole.Relay)) {
@@ -504,6 +505,11 @@ fun GroupMemberInfoLayout(
 //        }
       }
       SectionDividerSpaced()
+    } else if (groupInfo.useRelays && member.memberCurrent && showMemberSupportChat) {
+      SectionView {
+        SupportChatButton()
+      }
+      SectionDividerSpaced()
     }
 
     if (member.contactLink != null) {
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupPreferences.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupPreferences.kt
index 902b4c9828..b84d4a4730 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupPreferences.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/GroupPreferences.kt
@@ -155,7 +155,7 @@ private fun GroupPreferencesLayout(
   }
   @Composable fun ReportsPreference() {
     val enableReports = remember(preferences) { mutableStateOf(preferences.reports.enable) }
-    FeatureSection(GroupFeature.Reports, enableReports, null, groupInfo, preferences, onTTLUpdated) { enable, _ ->
+    FeatureSection(GroupFeature.Reports, enableReports, null, groupInfo, preferences, onTTLUpdated, disabled = true) { enable, _ -> // enable reports in 7.0 once directory support added
       applyPrefs(preferences.copy(reports = GroupPreference(enable = enable)))
     }
   }
@@ -165,6 +165,16 @@ private fun GroupPreferencesLayout(
       applyPrefs(preferences.copy(history = GroupPreference(enable = enable)))
     }
   }
+  @Composable fun SupportPreference(disabled: Boolean = false, notice: String? = null, onEnable: ((() -> Unit) -> Unit)? = null) {
+    val enableSupport = remember(preferences) { mutableStateOf(preferences.support.enable) }
+    FeatureSection(GroupFeature.Support, enableSupport, null, groupInfo, preferences, onTTLUpdated, disabled = disabled, notice = notice) { enable, _ ->
+      applyPrefs(preferences.copy(support = GroupPreference(enable = enable)))
+      if (enable == GroupFeatureEnabled.ON) onEnable?.invoke {
+        enableSupport.value = GroupFeatureEnabled.OFF
+        applyPrefs(preferences.copy(support = GroupPreference(enable = GroupFeatureEnabled.OFF)))
+      }
+    }
+  }
   ColumnWithScrollBar {
     val titleId = if (groupInfo.useRelays) MR.strings.channel_preferences
       else if (groupInfo.businessChat == null) MR.strings.group_preferences
@@ -192,6 +202,8 @@ private fun GroupPreferencesLayout(
       ReportsPreference()
       SectionDividerSpaced(true, maxBottomPadding = false)
       HistoryPreference()
+      SectionDividerSpaced(true, maxBottomPadding = false)
+      SupportPreference(disabled = true)
     } else {
       TimedMessagesPreference()
       SectionDividerSpaced(true, maxBottomPadding = false)
@@ -200,6 +212,17 @@ private fun GroupPreferencesLayout(
       ReactionsPreference()
       SectionDividerSpaced(true, maxBottomPadding = false)
       HistoryPreference()
+      SectionDividerSpaced(true, maxBottomPadding = false)
+      SupportPreference(notice = generalGetString(MR.strings.chat_with_admins_relay_note), onEnable = { revert ->
+        AlertManager.shared.showAlertDialog(
+          title = generalGetString(MR.strings.enable_chats_with_admins_question),
+          text = generalGetString(MR.strings.chat_with_admins_relay_note),
+          confirmText = generalGetString(MR.strings.enable_chats_with_admins),
+          destructive = true,
+          onDismiss = revert,
+          onDismissRequest = revert,
+        )
+      })
     }
     if (groupInfo.isOwner) {
       SectionDividerSpaced(maxTopPadding = true, maxBottomPadding = false)
@@ -233,6 +256,8 @@ private fun FeatureSection(
   groupInfo: GroupInfo,
   preferences: FullGroupPreferences,
   onTTLUpdated: (Int?) -> Unit,
+  disabled: Boolean = false,
+  notice: String? = null,
   onSelected: (GroupFeatureEnabled, GroupMemberRole?) -> Unit
 ) {
   SectionView {
@@ -245,7 +270,7 @@ private fun FeatureSection(
         feature.text,
         icon,
         iconTint,
-        disabled = feature == GroupFeature.Reports, // remove in 6.4
+        disabled = disabled,
         checked = enableFeature.value == GroupFeatureEnabled.ON,
       ) { checked ->
         onSelected(if (checked) GroupFeatureEnabled.ON else GroupFeatureEnabled.OFF, enableForRole?.value)
@@ -293,6 +318,9 @@ private fun FeatureSection(
     }
   }
   SectionTextFooter(feature.enableDescription(enableFeature.value, groupInfo.isOwner))
+  if (notice != null) {
+    SectionTextFooter(notice)
+  }
 }
 
 @Composable
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/MemberSupportView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/MemberSupportView.kt
index c3cf954ab6..3d76c845ad 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/MemberSupportView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/group/MemberSupportView.kt
@@ -116,7 +116,10 @@ private fun ModalData.MemberSupportViewLayout(
     if (membersWithChats.isEmpty()) {
       item {
         Box(Modifier.fillMaxSize().padding(horizontal = DEFAULT_PADDING), contentAlignment = Alignment.Center) {
-          Text(generalGetString(MR.strings.no_support_chats), color = MaterialTheme.colors.secondary, textAlign = TextAlign.Center)
+          Text(
+            generalGetString(if (groupInfo.fullGroupPreferences.support.on) MR.strings.no_support_chats else MR.strings.support_chats_disabled),
+            color = MaterialTheme.colors.secondary, textAlign = TextAlign.Center
+          )
         }
       }
     } else {
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/newchat/AddChannelView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/newchat/AddChannelView.kt
index e60fcfc921..77b5cd73b5 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/newchat/AddChannelView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/newchat/AddChannelView.kt
@@ -110,7 +110,10 @@ fun AddChannelView(chatModel: ChatModel, close: () -> Unit, closeAll: () -> Unit
           fullName = "",
           shortDescr = null,
           image = profileImage.value,
-          groupPreferences = GroupPreferences(history = GroupPreference(GroupFeatureEnabled.ON))
+          groupPreferences = GroupPreferences(
+            history = GroupPreference(GroupFeatureEnabled.ON),
+            support = GroupPreference(GroupFeatureEnabled.OFF)
+          )
         )
         creationInProgress.value = true
         withBGApi {
diff --git a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
index 4c7241fb5f..4bd9d9b96f 100644
--- a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
+++ b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
@@ -2337,6 +2337,14 @@
   <string name="recent_history_is_not_sent_to_new_members">History is not sent to new members.</string>
   <string name="group_members_can_send_reports">Members can report messsages to moderators.</string>
   <string name="member_reports_are_prohibited">Reporting messages is prohibited in this group.</string>
+  <string name="chat_with_admins">Chat with admins</string>
+  <string name="allow_chat_with_admins">Allow members to chat with admins.</string>
+  <string name="prohibit_chat_with_admins">Prohibit chats with admins.</string>
+  <string name="members_can_chat_with_admins">Members can chat with admins.</string>
+  <string name="chat_with_admins_is_prohibited">Chats with admins are prohibited.</string>
+  <string name="chat_with_admins_relay_note">Chats with admins in public channels have no E2E encryption - use only with trusted chat relays.</string>
+  <string name="enable_chats_with_admins_question">Enable chats with admins?</string>
+  <string name="enable_chats_with_admins">Enable</string>
   <string name="delete_after">Delete after</string>
   <string name="ttl_sec">%d sec</string>
   <string name="ttl_s">%ds</string>
@@ -2373,6 +2381,7 @@
   <!-- MemberSupportView.kt -->
   <string name="member_support">Chats with members</string>
   <string name="no_support_chats">No chats with members</string>
+  <string name="support_chats_disabled">Chats with members are disabled</string>
   <string name="delete_member_support_chat_button">Delete chat</string>
   <string name="delete_member_support_chat_alert_title">Delete chat with member?</string>
 
diff --git a/bots/api/TYPES.md b/bots/api/TYPES.md
index 93dbd560eb..ceb38939b1 100644
--- a/bots/api/TYPES.md
+++ b/bots/api/TYPES.md
@@ -171,6 +171,7 @@ This file is generated automatically.
 - [SrvError](#srverror)
 - [StoreError](#storeerror)
 - [SubscriptionStatus](#subscriptionstatus)
+- [SupportGroupPreference](#supportgrouppreference)
 - [SwitchPhase](#switchphase)
 - [TimedMessagesGroupPreference](#timedmessagesgrouppreference)
 - [TimedMessagesPreference](#timedmessagespreference)
@@ -2109,6 +2110,7 @@ Phone:
 - simplexLinks: [RoleGroupPreference](#rolegrouppreference)
 - reports: [GroupPreference](#grouppreference)
 - history: [GroupPreference](#grouppreference)
+- support: [SupportGroupPreference](#supportgrouppreference)
 - sessions: [RoleGroupPreference](#rolegrouppreference)
 - comments: [CommentsGroupPreference](#commentsgrouppreference)
 - commands: [[ChatBotCommand](#chatbotcommand)]
@@ -2200,6 +2202,7 @@ MemberSupport:
 - "simplexLinks"
 - "reports"
 - "history"
+- "support"
 - "sessions"
 - "comments"
 
@@ -2434,6 +2437,7 @@ NoRelays:
 - simplexLinks: [RoleGroupPreference](#rolegrouppreference)?
 - reports: [GroupPreference](#grouppreference)?
 - history: [GroupPreference](#grouppreference)?
+- support: [SupportGroupPreference](#supportgrouppreference)?
 - sessions: [RoleGroupPreference](#rolegrouppreference)?
 - comments: [CommentsGroupPreference](#commentsgrouppreference)?
 - commands: [[ChatBotCommand](#chatbotcommand)]?
@@ -3899,6 +3903,14 @@ NoSub:
 - type: "noSub"
 
 
+---
+
+## SupportGroupPreference
+
+**Record type**:
+- enable: [GroupFeatureEnabled](#groupfeatureenabled)
+
+
 ---
 
 ## SwitchPhase
diff --git a/bots/src/API/Docs/Types.hs b/bots/src/API/Docs/Types.hs
index 50adf6f7e5..933858c5cc 100644
--- a/bots/src/API/Docs/Types.hs
+++ b/bots/src/API/Docs/Types.hs
@@ -354,6 +354,7 @@ chatTypesDocsData =
     (sti @SrvError, STUnion, "SrvErr", [], "", ""),
     (sti @StoreError, STUnion, "SE", [], "", ""),
     (sti @SubscriptionStatus, STUnion, "SS", [], "", ""),
+    (sti @SupportGroupPreference, STRecord, "", [], "", ""),
     (sti @SwitchPhase, STEnum, "SP", [], "", ""),
     (sti @TimedMessagesGroupPreference, STRecord, "", [], "", ""),
     (sti @TimedMessagesPreference, STRecord, "", [], "", ""),
@@ -563,6 +564,7 @@ deriving instance Generic SndGroupEvent
 deriving instance Generic SrvError
 deriving instance Generic StoreError
 deriving instance Generic SubscriptionStatus
+deriving instance Generic SupportGroupPreference
 deriving instance Generic SwitchPhase
 deriving instance Generic TimedMessagesGroupPreference
 deriving instance Generic TimedMessagesPreference
diff --git a/packages/simplex-chat-client/types/typescript/src/types.ts b/packages/simplex-chat-client/types/typescript/src/types.ts
index 59329d3c0d..eed9d5edc1 100644
--- a/packages/simplex-chat-client/types/typescript/src/types.ts
+++ b/packages/simplex-chat-client/types/typescript/src/types.ts
@@ -2443,6 +2443,7 @@ export interface FullGroupPreferences {
   simplexLinks: RoleGroupPreference
   reports: GroupPreference
   history: GroupPreference
+  support: SupportGroupPreference
   sessions: RoleGroupPreference
   comments: CommentsGroupPreference
   commands: ChatBotCommand[]
@@ -2516,6 +2517,7 @@ export enum GroupFeature {
   SimplexLinks = "simplexLinks",
   Reports = "reports",
   History = "history",
+  Support = "support",
   Sessions = "sessions",
   Comments = "comments",
 }
@@ -2715,6 +2717,7 @@ export interface GroupPreferences {
   simplexLinks?: RoleGroupPreference
   reports?: GroupPreference
   history?: GroupPreference
+  support?: SupportGroupPreference
   sessions?: RoleGroupPreference
   comments?: CommentsGroupPreference
   commands?: ChatBotCommand[]
@@ -4637,6 +4640,10 @@ export namespace SubscriptionStatus {
   }
 }
 
+export interface SupportGroupPreference {
+  enable: GroupFeatureEnabled
+}
+
 export enum SwitchPhase {
   Started = "started",
   Confirmed = "confirmed",
diff --git a/src/Simplex/Chat/Library/Commands.hs b/src/Simplex/Chat/Library/Commands.hs
index 5b6eda579d..31e6533ad3 100644
--- a/src/Simplex/Chat/Library/Commands.hs
+++ b/src/Simplex/Chat/Library/Commands.hs
@@ -625,7 +625,10 @@ processChatCommand vr nm = \case
       mapM_ assertNoMentions cms
       withContactLock "sendMessage" chatId $
         sendContactContentMessages user chatId live itemTTL (L.map composedMessageReq cms)
-    SRGroup chatId gsScope asGroup ->
+    SRGroup chatId gsScope asGroup -> do
+      case gsScope of
+        Just (GCSMemberSupport _) -> when asGroup $ throwCmdError "cannot send as group in support scope"
+        Nothing -> pure ()
       withGroupLock "sendMessage" chatId $ do
         (gInfo, cmrs) <- withFastStore $ \db -> do
           g <- getGroupInfo db vr user chatId
@@ -2375,7 +2378,7 @@ processChatCommand vr nm = \case
             forM scope_ $ \(GSNMemberSupport mName_) ->
               GCSMemberSupport <$> mapM (getGroupMemberIdByName db user gId) mName_
           (gInfo, cScope_,) <$> liftIO (getMessageMentions db user gId msg)
-        let sendRef = SRGroup (groupId' gInfo) cScope_ (sendAsGroup' gInfo)
+        let sendRef = SRGroup (groupId' gInfo) cScope_ (sendAsGroup' gInfo cScope_)
         processChatCommand vr nm $ APISendMessages sendRef False Nothing [ComposedMessage Nothing Nothing mc mentions]
       SNLocal -> do
         folderId <- withFastStore (`getUserNoteFolderId` user)
@@ -3128,7 +3131,7 @@ processChatCommand vr nm = \case
         qiId <- getGroupChatItemIdByText db user gId cName quotedMsg
         (gInfo, qiId,) <$> liftIO (getMessageMentions db user gId msg)
     let mc = MCText msg
-    processChatCommand vr nm $ APISendMessages (SRGroup (groupId' gInfo) Nothing (sendAsGroup' gInfo)) False Nothing [ComposedMessage Nothing (Just quotedItemId) mc mentions]
+    processChatCommand vr nm $ APISendMessages (SRGroup (groupId' gInfo) Nothing (sendAsGroup' gInfo Nothing)) False Nothing [ComposedMessage Nothing (Just quotedItemId) mc mentions]
   ClearNoteFolder -> withUser $ \user -> do
     folderId <- withFastStore (`getUserNoteFolderId` user)
     processChatCommand vr nm $ APIClearChat (ChatRef CTLocal folderId Nothing)
@@ -3404,7 +3407,7 @@ processChatCommand vr nm = \case
         _ -> throwCmdError "not supported"
       pure $ ChatRef cType chatId Nothing
     getSendAsGroup :: User -> ChatRef -> CM ShowGroupAsSender
-    getSendAsGroup user' (ChatRef CTGroup chatId _) = sendAsGroup' <$> withFastStore (\db -> getGroupInfo db vr user' chatId)
+    getSendAsGroup user' (ChatRef CTGroup chatId scope) = (`sendAsGroup'` scope) <$> withFastStore (\db -> getGroupInfo db vr user' chatId)
     getSendAsGroup _ _ = pure False
     getChatRefAndMentions :: User -> ChatName -> Text -> CM (ChatRef, Map MemberName GroupMemberId)
     getChatRefAndMentions user cName msg = do
@@ -4490,7 +4493,7 @@ processChatCommand vr nm = \case
       ChatRef CTDirect cId _ -> a $ SRDirect cId
       ChatRef CTGroup gId scope -> do
         gInfo <- withFastStore $ \db -> getGroupInfo db vr user gId
-        a $ SRGroup gId scope (sendAsGroup' gInfo)
+        a $ SRGroup gId scope (sendAsGroup' gInfo scope)
       _ -> throwCmdError "not supported"
     getSharedMsgId :: CM SharedMsgId
     getSharedMsgId = do
@@ -5020,7 +5023,7 @@ chatCommandP =
       ("/help" <|> "/h") $> ChatHelp HSMain,
       ("/group" <|> "/g") *> (NewGroup <$> incognitoP <* A.space <* char_ '#' <*> groupProfile),
       "/_group " *> (APINewGroup <$> A.decimal <*> incognitoOnOffP <* A.space <*> jsonP),
-      ("/public group" <|> "/pg") *> (NewPublicGroup <$> incognitoP <* " relays=" <*> strP <* A.space <* char_ '#' <*> groupProfile),
+      ("/public group" <|> "/pg") *> (NewPublicGroup <$> incognitoP <* " relays=" <*> strP <* A.space <* char_ '#' <*> channelProfile),
       "/_public group " *> (APINewPublicGroup <$> A.decimal <*> incognitoOnOffP <*> _strP <* A.space <*> jsonP),
       "/_get relays #" *> (APIGetGroupRelays <$> A.decimal),
       ("/add " <|> "/a ") *> char_ '#' *> (AddMember <$> displayNameP <* A.space <* char_ '@' <*> displayNameP <*> (memberRole <|> pure GRMember)),
@@ -5150,6 +5153,7 @@ chatCommandP =
       "/set disappear @" *> (SetContactTimedMessages <$> displayNameP <*> optional (A.space *> timedMessagesEnabledP)),
       "/set disappear " *> (SetUserTimedMessages <$> (("yes" $> True) <|> ("no" $> False))),
       "/set reports #" *> (SetGroupFeature (AGFNR SGFReports) <$> displayNameP <*> _strP),
+      "/set support #" *> (SetGroupFeature (AGFNR SGFSupport) <$> displayNameP <*> (A.space *> strP)),
       "/set links #" *> (SetGroupFeatureRole (AGFR SGFSimplexLinks) <$> displayNameP <*> _strP <*> optional memberRole),
       "/set admission review #" *> (SetGroupMemberAdmissionReview <$> displayNameP <*> (A.space *> memberCriteriaP)),
       ("/incognito" <* optional (A.space *> onOffP)) $> ChatHelp HSIncognito,
@@ -5287,6 +5291,10 @@ chatCommandP =
                   history = Just HistoryGroupPreference {enable = FEOn}
                 }
       pure GroupProfile {displayName = gName, fullName = "", shortDescr, description = Nothing, image = Nothing, publicGroup = Nothing, groupPreferences, memberAdmission = Nothing}
+    channelProfile = do
+      p@GroupProfile {groupPreferences = prefs_} <- groupProfile
+      let prefs = (fromMaybe emptyGroupPrefs prefs_) {support  = Just SupportGroupPreference {enable = FEOff}} :: GroupPreferences
+      pure p {groupPreferences = Just prefs}
     memberCriteriaP = ("all" $> Just MCAll) <|> ("off" $> Nothing)
     shortDescrP = do
       descr <- A.takeWhile1 isSpace *> (T.dropWhileEnd isSpace <$> textP) <|> pure ""
diff --git a/src/Simplex/Chat/Library/Internal.hs b/src/Simplex/Chat/Library/Internal.hs
index 3be69bd949..d7de3a52ad 100644
--- a/src/Simplex/Chat/Library/Internal.hs
+++ b/src/Simplex/Chat/Library/Internal.hs
@@ -338,12 +338,17 @@ quoteContent mc qmc ciFile_
 
 prohibitedGroupContent :: GroupInfo -> GroupMember -> Maybe GroupChatScopeInfo -> MsgContent -> Maybe MarkdownList -> Maybe f -> Bool -> Maybe GroupFeature
 prohibitedGroupContent gInfo@GroupInfo {membership = mem@GroupMember {memberRole = userRole}} m scopeInfo mc ft file_ sent
+  | not supportAllowed = Just GFSupport
   | isVoice mc && not (groupFeatureMemberAllowed SGFVoice m gInfo) && not hostApprovalVoice = Just GFVoice
   | isNothing scopeInfo && not (isVoice mc) && isJust file_ && not (groupFeatureMemberAllowed SGFFiles m gInfo) = Just GFFiles
   | isNothing scopeInfo && isReport mc && (badReportUser || not (groupFeatureAllowed SGFReports gInfo)) = Just GFReports
   | isNothing scopeInfo && prohibitedSimplexLinks gInfo m mc ft = Just GFSimplexLinks
   | otherwise = Nothing
   where
+    supportAllowed = case scopeInfo of
+      Just (GCSIMemberSupport scopeMem_) ->
+        groupFeatureAllowed SGFSupport gInfo || isJust (supportChat $ fromMaybe mem scopeMem_)
+      Nothing -> True
     hostApprovalVoice
       | sent = userRole >= GRAdmin && sendApprovalPhase
       | otherwise = memberCategory m == GCHostMember && hostApprovalPhase
diff --git a/src/Simplex/Chat/Library/Subscriber.hs b/src/Simplex/Chat/Library/Subscriber.hs
index 3fef977f13..087914e4f9 100644
--- a/src/Simplex/Chat/Library/Subscriber.hs
+++ b/src/Simplex/Chat/Library/Subscriber.hs
@@ -1535,7 +1535,9 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
     memberCanSend :: Maybe GroupMember -> Maybe MsgScope -> CM (Maybe DeliveryTaskContext) -> CM (Maybe DeliveryTaskContext)
     memberCanSend Nothing _ a = a -- channel message - was previously checked and allowed by relay
     memberCanSend (Just m@GroupMember {memberRole}) msgScope a = case msgScope of
-      Just MSMember {} -> a
+      Just (MSMember mId)
+        | sameMemberId mId m || memberRole >= GRModerator -> a
+        | otherwise -> messageError "member is not allowed to send to this support chat" $> Nothing
       Nothing
         | memberRole > GRObserver || memberPending m -> a
         | otherwise -> messageError "member is not allowed to send messages" $> Nothing
@@ -1837,13 +1839,19 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
         -- This patches initial sharedMsgId into chat item when locally deleted chat item
         -- received an update from the sender, so that it can be referenced later (e.g. by broadcast delete).
         -- Chat item and update message which created it will have different sharedMsgId in this case...
-        let timed_ = rcvContactCITimed ct ttl
-            ts = ciContentTexts content
-        (ci, cInfo) <- saveRcvChatItem' user (CDDirectRcv ct) msg (Just sharedMsgId) brokerTs (content, ts) Nothing timed_ live M.empty
-        ci' <- withStore' $ \db -> do
-          createChatItemVersion db (chatItemId' ci) brokerTs mc
-          updateDirectChatItem' db user contactId ci content True live Nothing Nothing
-        toView $ CEvtChatItemUpdated user (AChatItem SCTDirect SMDRcv cInfo ci')
+        if isVoice mc && not (featureAllowed SCFVoice forContact ct)
+          then do
+            let ciContent = ciContentNoParse $ CIRcvChatFeatureRejected CFVoice
+            (ci, cInfo) <- saveRcvChatItem' user (CDDirectRcv ct) msg (Just sharedMsgId) brokerTs ciContent Nothing Nothing False M.empty
+            toView $ CEvtChatItemUpdated user (AChatItem SCTDirect SMDRcv cInfo ci)
+          else do
+            let timed_ = rcvContactCITimed ct ttl
+                ts = ciContentTexts content
+            (ci, cInfo) <- saveRcvChatItem' user (CDDirectRcv ct) msg (Just sharedMsgId) brokerTs (content, ts) Nothing timed_ live M.empty
+            ci' <- withStore' $ \db -> do
+              createChatItemVersion db (chatItemId' ci) brokerTs mc
+              updateDirectChatItem' db user contactId ci content True live Nothing Nothing
+            toView $ CEvtChatItemUpdated user (AChatItem SCTDirect SMDRcv cInfo ci')
       where
         brokerTs = metaBrokerTs msgMeta
         content = CIRcvMsgContent mc
@@ -2073,15 +2081,22 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
                         (gInfo', m', scopeInfo) <- mkGetMessageChatScope vr user gInfo m mc msgScope_
                         pure (gInfo', CDGroupRcv gInfo' scopeInfo m', mentions', scopeInfo)
                       Nothing -> pure (gInfo, CDChannelRcv gInfo Nothing, mentions, Nothing)
-                (ci, cInfo) <- saveRcvChatItem' user chatDir msg (Just sharedMsgId) brokerTs (content, ts) Nothing timed_ live mentions'
-                ci' <- withStore' $ \db -> do
-                  createChatItemVersion db (chatItemId' ci) brokerTs mc
-                  updateGroupChatItem db user groupId ci content True live Nothing
-                ci'' <- case chatDir of
-                  CDGroupRcv gi' _ m' -> blockedMemberCI gi' m' ci'
-                  CDChannelRcv {} -> pure ci'
-                toView $ CEvtChatItemUpdated user (AChatItem SCTGroup SMDRcv cInfo ci'')
-                pure $ Just $ infoToDeliveryContext gInfo' scopeInfo showGroupAsSender
+                case m_ >>= \m -> prohibitedGroupContent gInfo' m scopeInfo mc ft_ (Nothing :: Maybe String) False of
+                  Just f -> do
+                    let ciContent = ciContentNoParse $ CIRcvGroupFeatureRejected f
+                    (ci, cInfo) <- saveRcvChatItem' user chatDir msg (Just sharedMsgId) brokerTs ciContent Nothing timed_ False M.empty
+                    groupMsgToView cInfo ci
+                    pure Nothing
+                  Nothing -> do
+                    (ci, cInfo) <- saveRcvChatItem' user chatDir msg (Just sharedMsgId) brokerTs (content, ts) Nothing timed_ live mentions'
+                    ci' <- withStore' $ \db -> do
+                      createChatItemVersion db (chatItemId' ci) brokerTs mc
+                      updateGroupChatItem db user groupId ci content True live Nothing
+                    ci'' <- case chatDir of
+                      CDGroupRcv gi' _ m' -> blockedMemberCI gi' m' ci'
+                      CDChannelRcv {} -> pure ci'
+                    toView $ CEvtChatItemUpdated user (AChatItem SCTGroup SMDRcv cInfo ci'')
+                    pure $ Just $ infoToDeliveryContext gInfo' scopeInfo showGroupAsSender
       where
         content = CIRcvMsgContent mc
         ts@(_, ft_) = msgContentTexts mc
diff --git a/src/Simplex/Chat/Messages.hs b/src/Simplex/Chat/Messages.hs
index d90429f58e..5800ab5bdd 100644
--- a/src/Simplex/Chat/Messages.hs
+++ b/src/Simplex/Chat/Messages.hs
@@ -119,6 +119,11 @@ checkChatType x = case testEquality (chatTypeI @c) (chatTypeI @c') of
 data GroupChatScope = GCSMemberSupport {groupMemberId_ :: Maybe GroupMemberId} -- Nothing means own conversation with support
   deriving (Eq, Show, Ord)
 
+sendAsGroup' :: GroupInfo -> Maybe GroupChatScope -> Bool
+sendAsGroup' gInfo@GroupInfo {membership} scope = case scope of
+  Nothing -> useRelays' gInfo && memberRole' membership == GROwner
+  Just (GCSMemberSupport _) -> False
+
 data GroupChatScopeTag
   = GCSTMemberSupport_
   deriving (Eq, Show)
diff --git a/src/Simplex/Chat/Store/Groups.hs b/src/Simplex/Chat/Store/Groups.hs
index 3f5414a1d8..93db63ee71 100644
--- a/src/Simplex/Chat/Store/Groups.hs
+++ b/src/Simplex/Chat/Store/Groups.hs
@@ -1555,6 +1555,7 @@ createRelayRequestGroup db vr user@User {userId} GroupRelayInvitation {fromMembe
         (Binary invId, groupLink, minVersion reqChatVRange, maxVersion reqChatVRange, groupId)
     insertOwner_ currentTs groupId = do
       let MemberIdRole {memberId, memberRole} = fromMember
+          VersionRange minV maxV = reqChatVRange
       (localDisplayName, profileId) <- createNewMemberProfile_ db user fromMemberProfile currentTs
       indexInGroup <- getUpdateNextIndexInGroup_ db groupId
       liftIO $ do
@@ -1563,11 +1564,13 @@ createRelayRequestGroup db vr user@User {userId} GroupRelayInvitation {fromMembe
           [sql|
             INSERT INTO group_members
               ( group_id, index_in_group, member_id, member_role, member_category, member_status,
-                user_id, local_display_name, contact_id, contact_profile_id, created_at, updated_at)
-            VALUES (?,?,?,?,?,?,?,?,?,?,?,?)
+                user_id, local_display_name, contact_id, contact_profile_id, created_at, updated_at,
+                peer_chat_min_version, peer_chat_max_version)
+            VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?)
           |]
           ( (groupId, indexInGroup, memberId, memberRole, GCHostMember, GSMemAccepted)
               :. (userId, localDisplayName, Nothing :: (Maybe Int64), profileId, currentTs, currentTs)
+              :. (minV, maxV)
           )
         insertedRowId db
 
diff --git a/src/Simplex/Chat/Store/SQLite/Migrations/chat_query_plans.txt b/src/Simplex/Chat/Store/SQLite/Migrations/chat_query_plans.txt
index 366074acc2..99880b23d7 100644
--- a/src/Simplex/Chat/Store/SQLite/Migrations/chat_query_plans.txt
+++ b/src/Simplex/Chat/Store/SQLite/Migrations/chat_query_plans.txt
@@ -523,8 +523,9 @@ SEARCH users USING COVERING INDEX sqlite_autoindex_users_1 (contact_id=?)
 Query: 
             INSERT INTO group_members
               ( group_id, index_in_group, member_id, member_role, member_category, member_status,
-                user_id, local_display_name, contact_id, contact_profile_id, created_at, updated_at)
-            VALUES (?,?,?,?,?,?,?,?,?,?,?,?)
+                user_id, local_display_name, contact_id, contact_profile_id, created_at, updated_at,
+                peer_chat_min_version, peer_chat_max_version)
+            VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?)
           
 Plan:
 SEARCH group_relays USING COVERING INDEX idx_group_relays_group_member_id (group_member_id=?)
diff --git a/src/Simplex/Chat/Types.hs b/src/Simplex/Chat/Types.hs
index 6fb55c84ce..b4acaedd39 100644
--- a/src/Simplex/Chat/Types.hs
+++ b/src/Simplex/Chat/Types.hs
@@ -494,9 +494,6 @@ data GroupInfo = GroupInfo
 useRelays' :: GroupInfo -> Bool
 useRelays' GroupInfo {useRelays} = isTrue useRelays
 
-sendAsGroup' :: GroupInfo -> Bool
-sendAsGroup' gInfo@GroupInfo {membership} = useRelays' gInfo && memberRole' membership == GROwner
-
 groupId' :: GroupInfo -> GroupId
 groupId' GroupInfo {groupId} = groupId
 
diff --git a/src/Simplex/Chat/Types/Preferences.hs b/src/Simplex/Chat/Types/Preferences.hs
index c02d2b8433..be189379c9 100644
--- a/src/Simplex/Chat/Types/Preferences.hs
+++ b/src/Simplex/Chat/Types/Preferences.hs
@@ -176,6 +176,7 @@ data GroupFeature
   | GFSimplexLinks
   | GFReports
   | GFHistory
+  | GFSupport
   | GFSessions
   | GFComments
   deriving (Show)
@@ -190,6 +191,7 @@ data SGroupFeature (f :: GroupFeature) where
   SGFSimplexLinks :: SGroupFeature 'GFSimplexLinks
   SGFReports :: SGroupFeature 'GFReports
   SGFHistory :: SGroupFeature 'GFHistory
+  SGFSupport :: SGroupFeature 'GFSupport
   SGFSessions :: SGroupFeature 'GFSessions
   SGFComments :: SGroupFeature 'GFComments
 
@@ -218,6 +220,7 @@ groupFeatureNameText = \case
   GFSimplexLinks -> "SimpleX links"
   GFReports -> "Member reports"
   GFHistory -> "Recent history"
+  GFSupport -> "Chat with admins"
   GFSessions -> "Chat sessions"
   GFComments -> "Comments"
 
@@ -248,11 +251,12 @@ allGroupFeatures =
     AGF SGFFiles,
     AGF SGFSimplexLinks,
     AGF SGFReports,
-    AGF SGFHistory
+    AGF SGFHistory,
+    AGF SGFSupport
   ]
 
 groupPrefSel :: SGroupFeature f -> GroupPreferences -> Maybe (GroupFeaturePreference f)
-groupPrefSel f GroupPreferences {timedMessages, directMessages, fullDelete, reactions, voice, files, simplexLinks, reports, history, sessions, comments} = case f of
+groupPrefSel f GroupPreferences {timedMessages, directMessages, fullDelete, reactions, voice, files, simplexLinks, reports, history, support, sessions, comments} = case f of
   SGFTimedMessages -> timedMessages
   SGFDirectMessages -> directMessages
   SGFFullDelete -> fullDelete
@@ -262,6 +266,7 @@ groupPrefSel f GroupPreferences {timedMessages, directMessages, fullDelete, reac
   SGFSimplexLinks -> simplexLinks
   SGFReports -> reports
   SGFHistory -> history
+  SGFSupport -> support
   SGFSessions -> sessions
   SGFComments -> comments
 
@@ -276,6 +281,7 @@ toGroupFeature = \case
   SGFSimplexLinks -> GFSimplexLinks
   SGFReports -> GFReports
   SGFHistory -> GFHistory
+  SGFSupport -> GFSupport
   SGFSessions -> GFSessions
   SGFComments -> GFComments
 
@@ -289,7 +295,7 @@ instance GroupPreferenceI (Maybe GroupPreferences) where
   getGroupPreference pt prefs = fromMaybe (getGroupPreference pt defaultGroupPrefs) (groupPrefSel pt =<< prefs)
 
 instance GroupPreferenceI FullGroupPreferences where
-  getGroupPreference f FullGroupPreferences {timedMessages, directMessages, fullDelete, reactions, voice, files, simplexLinks, reports, history, sessions, comments} = case f of
+  getGroupPreference f FullGroupPreferences {timedMessages, directMessages, fullDelete, reactions, voice, files, simplexLinks, reports, history, support, sessions, comments} = case f of
     SGFTimedMessages -> timedMessages
     SGFDirectMessages -> directMessages
     SGFFullDelete -> fullDelete
@@ -299,6 +305,7 @@ instance GroupPreferenceI FullGroupPreferences where
     SGFSimplexLinks -> simplexLinks
     SGFReports -> reports
     SGFHistory -> history
+    SGFSupport -> support
     SGFSessions -> sessions
     SGFComments -> comments
   {-# INLINE getGroupPreference #-}
@@ -314,6 +321,7 @@ data GroupPreferences = GroupPreferences
     simplexLinks :: Maybe SimplexLinksGroupPreference,
     reports :: Maybe ReportsGroupPreference,
     history :: Maybe HistoryGroupPreference,
+    support :: Maybe SupportGroupPreference,
     sessions :: Maybe SessionsGroupPreference,
     comments :: Maybe CommentsGroupPreference,
     commands :: Maybe [ChatBotCommand]
@@ -365,6 +373,7 @@ setGroupPreference_ f pref prefs =
     SGFSimplexLinks -> prefs {simplexLinks = pref}
     SGFReports -> prefs {reports = pref}
     SGFHistory -> prefs {history = pref}
+    SGFSupport -> prefs {support = pref}
     SGFSessions -> prefs {sessions = pref}
     SGFComments -> prefs {comments = pref}
 
@@ -408,6 +417,7 @@ data FullGroupPreferences = FullGroupPreferences
     simplexLinks :: SimplexLinksGroupPreference,
     reports :: ReportsGroupPreference,
     history :: HistoryGroupPreference,
+    support :: SupportGroupPreference,
     sessions :: SessionsGroupPreference,
     comments :: CommentsGroupPreference,
     commands :: ListDef ChatBotCommand
@@ -478,13 +488,14 @@ defaultGroupPrefs =
       simplexLinks = SimplexLinksGroupPreference {enable = FEOn, role = Nothing},
       reports = ReportsGroupPreference {enable = FEOn},
       history = HistoryGroupPreference {enable = FEOff},
+      support = SupportGroupPreference {enable = FEOn},
       sessions = SessionsGroupPreference {enable = FEOff, role = Nothing},
       comments = CommentsGroupPreference {enable = FEOff, duration = Nothing},
       commands = ListDef []
     }
 
 emptyGroupPrefs :: GroupPreferences
-emptyGroupPrefs = GroupPreferences Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
+emptyGroupPrefs = GroupPreferences Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
 
 businessGroupPrefs :: Preferences -> GroupPreferences
 businessGroupPrefs Preferences {timedMessages, fullDelete, reactions, voice, files, sessions, commands} =
@@ -515,6 +526,7 @@ defaultBusinessGroupPrefs =
       simplexLinks = Just $ SimplexLinksGroupPreference FEOn Nothing,
       reports = Just $ ReportsGroupPreference FEOff,
       history = Just $ HistoryGroupPreference FEOn,
+      support = Just $ SupportGroupPreference FEOn,
       sessions = Just $ SessionsGroupPreference FEOn Nothing,
       comments = Just $ CommentsGroupPreference FEOff Nothing,
       commands = Nothing
@@ -647,6 +659,10 @@ data HistoryGroupPreference = HistoryGroupPreference
   {enable :: GroupFeatureEnabled}
   deriving (Eq, Show)
 
+data SupportGroupPreference = SupportGroupPreference
+  {enable :: GroupFeatureEnabled}
+  deriving (Eq, Show)
+
 data SessionsGroupPreference = SessionsGroupPreference
   {enable :: GroupFeatureEnabled, role :: Maybe GroupMemberRole}
   deriving (Eq, Show)
@@ -699,6 +715,9 @@ instance HasField "enable" ReportsGroupPreference GroupFeatureEnabled where
 instance HasField "enable" HistoryGroupPreference GroupFeatureEnabled where
   hasField p@HistoryGroupPreference {enable} = (\e -> p {enable = e}, enable)
 
+instance HasField "enable" SupportGroupPreference GroupFeatureEnabled where
+  hasField p@SupportGroupPreference {enable} = (\e -> p {enable = e}, enable)
+
 instance HasField "enable" SessionsGroupPreference GroupFeatureEnabled where
   hasField p@SessionsGroupPreference {enable} = (\e -> p {enable = e}, enable)
 
@@ -759,6 +778,12 @@ instance GroupFeatureI 'GFHistory where
   groupPrefParam _ = Nothing
   groupPrefRole _ = Nothing
 
+instance GroupFeatureI 'GFSupport where
+  type GroupFeaturePreference 'GFSupport = SupportGroupPreference
+  sGroupFeature = SGFSupport
+  groupPrefParam _ = Nothing
+  groupPrefRole _ = Nothing
+
 instance GroupFeatureI 'GFSessions where
   type GroupFeaturePreference 'GFSessions = SessionsGroupPreference
   sGroupFeature = SGFSessions
@@ -781,6 +806,8 @@ instance GroupFeatureNoRoleI 'GFReports
 
 instance GroupFeatureNoRoleI 'GFHistory
 
+instance GroupFeatureNoRoleI 'GFSupport
+
 instance GroupFeatureNoRoleI 'GFComments
 
 instance HasField "role" DirectMessagesGroupPreference (Maybe GroupMemberRole) where
@@ -973,6 +1000,7 @@ mergeGroupPreferences groupPreferences =
       simplexLinks = pref SGFSimplexLinks,
       reports = pref SGFReports,
       history = pref SGFHistory,
+      support = pref SGFSupport,
       sessions = pref SGFSessions,
       comments = pref SGFComments,
       commands = ListDef $ fromMaybe [] $ groupPreferences >>= commands_
@@ -993,6 +1021,7 @@ toGroupPreferences groupPreferences@FullGroupPreferences {commands = ListDef cmd
       simplexLinks = pref SGFSimplexLinks,
       reports = pref SGFReports,
       history = pref SGFHistory,
+      support = pref SGFSupport,
       sessions = pref SGFSessions,
       comments = pref SGFComments,
       commands = Just cmds
@@ -1123,11 +1152,13 @@ $(J.deriveJSON defaultJSON ''ReportsGroupPreference)
 
 $(J.deriveJSON defaultJSON ''HistoryGroupPreference)
 
-$(J.deriveToJSON defaultJSON ''SessionsGroupPreference)
+$(J.deriveToJSON defaultJSON ''SupportGroupPreference)
 
-instance FromJSON SessionsGroupPreference where
-  parseJSON v = $(J.mkParseJSON defaultJSON ''SessionsGroupPreference) v
-  omittedField = Just SessionsGroupPreference {enable = FEOff, role = Nothing}
+instance FromJSON SupportGroupPreference where
+  parseJSON v = $(J.mkParseJSON defaultJSON ''SupportGroupPreference) v
+  omittedField = Just SupportGroupPreference {enable = FEOn}
+
+$(J.deriveJSON defaultJSON ''SessionsGroupPreference)
 
 $(J.deriveToJSON defaultJSON ''CommentsGroupPreference)
 
diff --git a/tests/ChatClient.hs b/tests/ChatClient.hs
index 714aa0c0ed..279a09e718 100644
--- a/tests/ChatClient.hs
+++ b/tests/ChatClient.hs
@@ -170,7 +170,7 @@ termSettings :: VirtualTerminalSettings
 termSettings =
   VirtualTerminalSettings
     { virtualType = "xterm",
-      virtualWindowSize = pure C.Size {height = 20, width = 6000},
+      virtualWindowSize = pure C.Size {height = 24, width = 6000},
       virtualEvent = retry,
       virtualInterrupt = retry
     }
diff --git a/tests/ChatTests/ChatList.hs b/tests/ChatTests/ChatList.hs
index 14d48dbf60..889915a6e8 100644
--- a/tests/ChatTests/ChatList.hs
+++ b/tests/ChatTests/ChatList.hs
@@ -200,14 +200,14 @@ testPaginationAllChatTypes =
 
       ts7 <- iso8601Show <$> getCurrentTime
 
-      getChats_ alice "count=10" [("*", "psst"), ("@dan", "hey"), ("#team", "Recent history: on"), (":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
-      getChats_ alice "count=3" [("*", "psst"), ("@dan", "hey"), ("#team", "Recent history: on")]
+      getChats_ alice "count=10" [("*", "psst"), ("@dan", "hey"), ("#team", "Chat with admins: on"), (":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
+      getChats_ alice "count=3" [("*", "psst"), ("@dan", "hey"), ("#team", "Chat with admins: on")]
       getChats_ alice ("after=" <> ts2 <> " count=2") [(":3", ""), ("@cath", "Audio/video calls: enabled")]
-      getChats_ alice ("before=" <> ts5 <> " count=2") [("#team", "Recent history: on"), (":3", "")]
-      getChats_ alice ("after=" <> ts3 <> " count=10") [("*", "psst"), ("@dan", "hey"), ("#team", "Recent history: on"), (":3", "")]
+      getChats_ alice ("before=" <> ts5 <> " count=2") [("#team", "Chat with admins: on"), (":3", "")]
+      getChats_ alice ("after=" <> ts3 <> " count=10") [("*", "psst"), ("@dan", "hey"), ("#team", "Chat with admins: on"), (":3", "")]
       getChats_ alice ("before=" <> ts4 <> " count=10") [(":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
-      getChats_ alice ("after=" <> ts1 <> " count=10") [("*", "psst"), ("@dan", "hey"), ("#team", "Recent history: on"), (":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
-      getChats_ alice ("before=" <> ts7 <> " count=10") [("*", "psst"), ("@dan", "hey"), ("#team", "Recent history: on"), (":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
+      getChats_ alice ("after=" <> ts1 <> " count=10") [("*", "psst"), ("@dan", "hey"), ("#team", "Chat with admins: on"), (":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
+      getChats_ alice ("before=" <> ts7 <> " count=10") [("*", "psst"), ("@dan", "hey"), ("#team", "Chat with admins: on"), (":3", ""), ("@cath", "Audio/video calls: enabled"), ("@bob", "hey")]
       getChats_ alice ("after=" <> ts7 <> " count=10") []
       getChats_ alice ("before=" <> ts1 <> " count=10") []
 
@@ -219,11 +219,11 @@ testPaginationAllChatTypes =
       alice ##> "/_settings #1 {\"enableNtfs\":\"all\",\"favorite\":true}"
       alice <## "ok"
 
-      getChats_ alice queryFavorite [("#team", "Recent history: on"), ("@bob", "hey")]
+      getChats_ alice queryFavorite [("#team", "Chat with admins: on"), ("@bob", "hey")]
       getChats_ alice ("before=" <> ts4 <> " count=1 " <> queryFavorite) [("@bob", "hey")]
-      getChats_ alice ("before=" <> ts5 <> " count=1 " <> queryFavorite) [("#team", "Recent history: on")]
+      getChats_ alice ("before=" <> ts5 <> " count=1 " <> queryFavorite) [("#team", "Chat with admins: on")]
       getChats_ alice ("after=" <> ts1 <> " count=1 " <> queryFavorite) [("@bob", "hey")]
-      getChats_ alice ("after=" <> ts4 <> " count=1 " <> queryFavorite) [("#team", "Recent history: on")]
+      getChats_ alice ("after=" <> ts4 <> " count=1 " <> queryFavorite) [("#team", "Chat with admins: on")]
 
       let queryUnread = "{\"type\": \"filters\", \"favorite\": false, \"unread\": true}"
 
diff --git a/tests/ChatTests/Groups.hs b/tests/ChatTests/Groups.hs
index 3ff884d3d1..89fb0a2004 100644
--- a/tests/ChatTests/Groups.hs
+++ b/tests/ChatTests/Groups.hs
@@ -231,6 +231,8 @@ chatGroupTests = do
     it "should remove support chat with member when member is removed" testScopedSupportMemberRemoved
     it "should remove support chat with member when user removes member" testScopedSupportUserRemovesMember
     it "should remove support chat with member when member leaves" testScopedSupportMemberLeaves
+    it "should respect support preference in group" testSupportPreferenceGroup
+    it "should respect support preference in channel" testSupportPreferenceChannel
   -- TODO [relays] add tests for channels
   -- TODO   - tests with delivery loop over members restored after restart
   -- TODO   - delivery in support scopes inside channels
@@ -267,6 +269,7 @@ chatGroupTests = do
       it "owner should update profile in channel (signed)" testChannelOwnerProfileUpdate
       it "subscriber should update profile in channel (signed)" testChannelSubscriberProfileUpdate
       it "should report relay results when one relay deleted its address" testChannelCreateDeletedRelay
+      it "should deliver support scope messages via relay" testChannelSupportScope
     describe "channel message operations" $ do
       it "should update channel message" testChannelMessageUpdate
       it "should delete channel message" testChannelMessageDelete
@@ -457,7 +460,7 @@ testChatPaginationInitial = testChatOpts2 opts aliceProfile bobProfile $ \alice
   forM_ ([1 .. 10] :: [Int]) $ \n -> bob <# ("#team alice> " <> show n)
 
   -- All messages are unread for bob, should return area around unread
-  bob #$> ("/_get chat #1 initial=2", chat, [(0, "Recent history: on"), (0, "connected"), (0, "1"), (0, "2"), (0, "3")])
+  bob #$> ("/_get chat #1 initial=2", chat, [(0, "Chat with admins: on"), (0, "connected"), (0, "1"), (0, "2"), (0, "3")])
 
   -- Read next 2 items
   let itemIds = intercalate "," $ map groupItemId [1 .. 2]
@@ -646,7 +649,7 @@ testGroup2 =
         ]
       dan <##> alice
       -- show last messages
-      alice ##> "/t #club 20"
+      alice ##> "/t #club 21"
       alice -- these strings are expected in any order because of sorting by time and rounding of time for sent
         <##?
           ( map (ConsoleString . ("#club " <> )) groupFeatureStrs
@@ -1667,6 +1670,7 @@ testGroupDescription = testChat4 aliceProfile bobProfile cathProfile danProfile
       alice <## "SimpleX links: on"
       alice <## "Member reports: on"
       alice <## "Recent history: on"
+      alice <## "Chat with admins: on"
     bobAddedDan :: HasCallStack => TestCC -> IO ()
     bobAddedDan cc = do
       cc <## "#team: bob added dan (Daniel) to the group (connecting...)"
@@ -8400,6 +8404,120 @@ testScopedSupportMemberLeaves =
         { markRead = False
         }
 
+testSupportPreferenceGroup :: HasCallStack => TestParams -> IO ()
+testSupportPreferenceGroup =
+  testChat3 aliceProfile bobProfile cathProfile $ \alice bob cath -> do
+    createGroup3' "team" alice (bob, GRMember) (cath, GRMember)
+
+    threadDelay 1000000
+
+    -- support enabled by default, bob sends to support
+    bob #> "#team (support) hello"
+    alice <# "#team (support: bob) bob> hello"
+
+    -- alice replies
+    alice #> "#team (support: bob) hi"
+    bob <# "#team (support) alice> hi"
+
+    -- alice disables support
+    alice ##> "/set support #team off"
+    alice <## "updated group preferences:"
+    alice <## "Chat with admins: off"
+    concurrentlyN_
+      [ do
+          bob <## "alice updated group #team:"
+          bob <## "updated group preferences:"
+          bob <## "Chat with admins: off",
+        do
+          cath <## "alice updated group #team:"
+          cath <## "updated group preferences:"
+          cath <## "Chat with admins: off"
+      ]
+
+    threadDelay 500000
+
+    -- cath can't send support (no existing chat)
+    cath ##> "#team (support) hey"
+    cath <## "bad chat command: feature not allowed Chat with admins"
+
+    -- alice can't send to cath's support (no existing chat)
+    alice ##> "#team (support: cath) hey"
+    alice <## "bad chat command: feature not allowed Chat with admins"
+
+    -- bob can still send (existing chat)
+    bob #> "#team (support) still here"
+    alice <# "#team (support: bob) bob> still here"
+
+    -- alice can still send to bob (existing chat)
+    alice #> "#team (support: bob) yes"
+    bob <# "#team (support) alice> yes"
+
+testSupportPreferenceChannel :: HasCallStack => TestParams -> IO ()
+testSupportPreferenceChannel ps =
+  withNewTestChat ps "alice" aliceProfile $ \alice ->
+    withNewTestChatOpts ps relayTestOpts "relay" relayProfile $ \relay ->
+      withNewTestChat ps "bob" bobProfile $ \bob ->
+        withNewTestChat ps "cath" cathProfile $ \cath -> do
+          (shortLink, fullLink) <- prepareChannel1Relay "team" alice relay
+          memberJoinChannel "team" [relay] [alice] shortLink fullLink bob
+          memberJoinChannel "team" [relay] [alice] shortLink fullLink cath
+
+          threadDelay 1000000
+
+          alice ##> "/set support #team on"
+          alice <## "updated group preferences:"
+          alice <## "Chat with admins: on"
+          toggledSupport relay "alice" "team" "on"
+          concurrentlyN_
+            [ toggledSupport bob "alice" "team" "on",
+              toggledSupport cath "alice" "team" "on"
+            ]
+
+          -- support enabled by default, bob sends to support
+          bob #> "#team (support) hello"
+          relay <# "#team (support: bob) bob> hello"
+          alice <# "#team (support: bob) bob> hello [>>]"
+
+          -- alice replies
+          alice #> "#team (support: bob) hi"
+          relay <# "#team (support: bob) alice> hi"
+          bob <# "#team (support) alice> hi [>>]"
+
+          -- alice disables support
+
+          threadDelay 1000000
+
+          alice ##> "/set support #team off"
+          alice <## "updated group preferences:"
+          alice <## "Chat with admins: off"
+          toggledSupport relay "alice" "team" "off"
+          concurrentlyN_
+            [ toggledSupport bob "alice" "team" "off",
+              toggledSupport cath "alice" "team" "off"
+            ]
+
+          threadDelay 500000
+
+          -- cath can't send support (no existing chat)
+          cath ##> "#team (support) hey"
+          cath <## "bad chat command: feature not allowed Chat with admins"
+          alice ##> "#team (support: cath) hey too"
+          alice <## "bad chat command: feature not allowed Chat with admins"
+
+          -- bob can still send (existing chat)
+          bob #> "#team (support) still here"
+          concurrentlyN_
+            [ relay <# "#team (support: bob) bob> still here",
+              alice <# "#team (support: bob) bob> still here [>>]"
+            ]
+
+          -- alice can still send to bob (existing chat)
+          alice #> "#team (support: bob) yes"
+          concurrentlyN_
+            [ relay <# "#team (support: bob) alice> yes",
+              bob <# "#team (support) alice> yes [>>]"
+            ]
+
 testChannels1RelayDeliver :: HasCallStack => TestParams -> IO ()
 testChannels1RelayDeliver ps =
   withNewTestChat ps "alice" aliceProfile $ \alice -> do
@@ -8858,7 +8976,7 @@ testChannelLinkAfterWelcomeUpdate ps =
           shortLink' `shouldBe` shortLink
           fullLink' `shouldBe` fullLink
           memberJoinChannel "team" [bob] [alice] shortLink' fullLink' dan
-          dan #$> ("/_get chat #1 count=100", chat, groupFeaturesNoE2E <> [(0, "welcome to team"), (0, T.unpack publicGroupNoE2EText), (0, "connected")])
+          dan #$> ("/_get chat #1 count=100", chat, channelFeaturesNoE2E <> [(0, "welcome to team"), (0, T.unpack publicGroupNoE2EText), (0, "connected")])
 
           alice #> "#team hi"
           bob <# "#team> hi"
@@ -9568,6 +9686,45 @@ testChannelCreateDeletedRelay ps =
         -- bob's agent reports AUTH error when the queue is gone — drain it.
         void $ getTermLine bob
 
+testChannelSupportScope :: HasCallStack => TestParams -> IO ()
+testChannelSupportScope ps =
+  withNewTestChat ps "alice" aliceProfile $ \alice ->
+    withNewTestChatOpts ps relayTestOpts "relay" relayProfile $ \relay ->
+      withNewTestChat ps "cath" cathProfile $ \cath ->
+        withNewTestChat ps "dan" danProfile $ \dan -> do
+          (shortLink, fullLink) <- prepareChannel1Relay "team" alice relay
+          memberJoinChannel "team" [relay] [alice] shortLink fullLink cath
+          memberJoinChannel "team" [relay] [alice] shortLink fullLink dan
+
+          threadDelay 1000000
+
+          alice ##> "/set support #team on"
+          alice <## "updated group preferences:"
+          alice <## "Chat with admins: on"
+          toggledSupport relay "alice" "team" "on"
+          concurrentlyN_
+            [ toggledSupport cath "alice" "team" "on",
+              toggledSupport dan "alice" "team" "on"
+            ]
+
+          -- owner sends to cath's support scope, dan doesn't receive
+          alice #> "#team (support: cath) hello"
+          relay <# "#team (support: cath) alice> hello"
+          cath <# "#team (support) alice> hello [>>]"
+          (dan </)
+
+          -- cath replies in support scope, dan doesn't receive
+          cath #> "#team (support) hi"
+          relay <# "#team (support: cath) cath> hi"
+          alice <# "#team (support: cath) cath> hi [>>]"
+          (dan </)
+
+toggledSupport :: HasCallStack => TestCC -> String -> String -> String -> IO ()
+toggledSupport c owner channel onOff  = do
+  c <## (owner <> " updated group #" <> channel <> ": (signed)")
+  c <## "updated group preferences:"
+  c <## ("Chat with admins: " <> onOff)
+
 testChannelMessageUpdate :: HasCallStack => TestParams -> IO ()
 testChannelMessageUpdate ps =
   withNewTestChat ps "alice" aliceProfile $ \alice ->
diff --git a/tests/ChatTests/Utils.hs b/tests/ChatTests/Utils.hs
index ebc9056164..d42e833c39 100644
--- a/tests/ChatTests/Utils.hs
+++ b/tests/ChatTests/Utils.hs
@@ -290,7 +290,10 @@ groupFeatures :: [(Int, String)]
 groupFeatures = map (\(a, _, _) -> a) $ groupFeatures'' 0
 
 groupFeaturesNoE2E :: [(Int, String)]
-groupFeaturesNoE2E = map (\(a, _, _) -> a) $ ((1, "chat banner"), Nothing, Nothing) : groupFeatures_ 0
+groupFeaturesNoE2E = map (\(a, _, _) -> a) $ ((1, "chat banner"), Nothing, Nothing) : groupFeatures_ 0 False
+
+channelFeaturesNoE2E :: [(Int, String)]
+channelFeaturesNoE2E = map (\(a, _, _) -> a) $ ((1, "chat banner"), Nothing, Nothing) : groupFeatures_ 0 True
 
 sndGroupFeatures :: [(Int, String)]
 sndGroupFeatures = map (\(a, _, _) -> a) $ groupFeatures'' 1
@@ -299,10 +302,10 @@ groupFeatureStrs :: [String]
 groupFeatureStrs = map (\(a, _, _) -> snd a) $ groupFeatures'' 0
 
 groupFeatures'' :: Int -> [((Int, String), Maybe (Int, String), Maybe String)]
-groupFeatures'' dir = ((1, "chat banner"), Nothing, Nothing) : ((dir, e2eeInfoNoPQStr), Nothing, Nothing) : groupFeatures_ dir
+groupFeatures'' dir = ((1, "chat banner"), Nothing, Nothing) : ((dir, e2eeInfoNoPQStr), Nothing, Nothing) : groupFeatures_ dir False
 
-groupFeatures_ :: Int -> [((Int, String), Maybe (Int, String), Maybe String)]
-groupFeatures_ dir =
+groupFeatures_ :: Int -> Bool -> [((Int, String), Maybe (Int, String), Maybe String)]
+groupFeatures_ dir isChannel =
   [ ((dir, "Disappearing messages: off"), Nothing, Nothing),
     ((dir, "Direct messages: on"), Nothing, Nothing),
     ((dir, "Full deletion: off"), Nothing, Nothing),
@@ -311,7 +314,8 @@ groupFeatures_ dir =
     ((dir, "Files and media: on"), Nothing, Nothing),
     ((dir, "SimpleX links: on"), Nothing, Nothing),
     ((dir, "Member reports: on"), Nothing, Nothing),
-    ((dir, "Recent history: on"), Nothing, Nothing)
+    ((dir, "Recent history: on"), Nothing, Nothing),
+    ((dir, "Chat with admins: " <> (if isChannel then "off" else "on")), Nothing, Nothing)
   ]
 
 businessGroupFeatures :: [(Int, String)]
@@ -329,7 +333,8 @@ businessGroupFeatures'' dir =
     ((dir, "Files and media: on"), Nothing, Nothing),
     ((dir, "SimpleX links: on"), Nothing, Nothing),
     ((dir, "Member reports: off"), Nothing, Nothing),
-    ((dir, "Recent history: on"), Nothing, Nothing)
+    ((dir, "Recent history: on"), Nothing, Nothing),
+    ((dir, "Chat with admins: on"), Nothing, Nothing)
   ]
 
 itemId :: Int -> String
diff --git a/tests/ProtocolTests.hs b/tests/ProtocolTests.hs
index 3ba789b988..01399f6bbb 100644
--- a/tests/ProtocolTests.hs
+++ b/tests/ProtocolTests.hs
@@ -101,7 +101,7 @@ testChatPreferences :: Maybe Preferences
 testChatPreferences = Just Preferences {voice = Just VoicePreference {allow = FAYes}, files = Nothing, fullDelete = Nothing, timedMessages = Nothing, calls = Nothing, reactions = Just ReactionsPreference {allow = FAYes}, sessions = Nothing, commands = Nothing}
 
 testGroupPreferences :: Maybe GroupPreferences
-testGroupPreferences = Just GroupPreferences {timedMessages = Nothing, directMessages = Nothing, reactions = Just ReactionsGroupPreference {enable = FEOn}, voice = Just VoiceGroupPreference {enable = FEOn, role = Nothing}, files = Nothing, fullDelete = Nothing, simplexLinks = Nothing, history = Nothing, reports = Nothing, sessions = Nothing, comments = Nothing, commands = Nothing}
+testGroupPreferences = Just GroupPreferences {timedMessages = Nothing, directMessages = Nothing, reactions = Just ReactionsGroupPreference {enable = FEOn}, voice = Just VoiceGroupPreference {enable = FEOn, role = Nothing}, files = Nothing, fullDelete = Nothing, simplexLinks = Nothing, history = Nothing, reports = Nothing, support = Nothing, sessions = Nothing, comments = Nothing, commands = Nothing}
 
 testProfile :: Profile
 testProfile = Profile {displayName = "alice", fullName = "Alice", shortDescr = Nothing, image = Just (ImageData "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAIAQMAAAD+wSzIAAAABlBMVEX///+/v7+jQ3Y5AAAADklEQVQI12P4AIX8EAgALgAD/aNpbtEAAAAASUVORK5CYII="), peerType = Nothing, contactLink = Nothing, preferences = testChatPreferences}