diff --git a/apps/ios/Shared/Views/Chat/ChatItem/CIFileView.swift b/apps/ios/Shared/Views/Chat/ChatItem/CIFileView.swift
index 75a5baafee..2f9e328469 100644
--- a/apps/ios/Shared/Views/Chat/ChatItem/CIFileView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatItem/CIFileView.swift
@@ -16,6 +16,7 @@ struct CIFileView: View {
     @EnvironmentObject var theme: AppTheme
     let file: CIFile?
     let edited: Bool
+    let msgVerified: MsgVerified
     let senderProfile: LocalProfile?
     var smallViewSize: CGFloat?
 
@@ -24,9 +25,9 @@ struct CIFileView: View {
             fileIndicator()
             .simultaneousGesture(TapGesture().onEnded(fileAction))
         } else {
-            let metaReserve = edited
-            ? "                           "
-            : "                       "
+            // the signature/"signature missing" icon in the overlaid meta needs reserved space too (matches CIMetaView)
+            let signedReserve = (msgVerified.verified && (file?.loaded ?? true)) || msgVerified == .sigMissing ? "    " : ""
+            let metaReserve = (edited ? "                           " : "                       ") + signedReserve
             HStack(alignment: .bottom, spacing: 6) {
                 fileIndicator()
                     .padding(.top, 5)
diff --git a/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift b/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift
index 69c6e0cd91..043bf53853 100644
--- a/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift
@@ -151,9 +151,11 @@ func ciMetaText(
         space = textSpace
     }
     if meta.msgVerified.verified && signedFileVerified {
+        appendSpace()
         r = r + colored(Text(Image("signature.plain")), resolved)
         space = textSpace
     } else if meta.msgVerified == .sigMissing {
+        appendSpace()
         r = r + colored(Text(Image(systemName: "exclamationmark.triangle")), colorMode.resolve(.red))
         space = textSpace
     }
diff --git a/apps/ios/Shared/Views/Chat/ChatItem/FramedItemView.swift b/apps/ios/Shared/Views/Chat/ChatItem/FramedItemView.swift
index fa16675610..42897af835 100644
--- a/apps/ios/Shared/Views/Chat/ChatItem/FramedItemView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatItem/FramedItemView.swift
@@ -349,7 +349,7 @@ struct FramedItemView: View {
     }
 
     @ViewBuilder private func ciFileView(_ ci: ChatItem, _ text: String) -> some View {
-        CIFileView(file: chatItem.file, edited: chatItem.meta.itemEdited, senderProfile: ciSenderProfile(chatItem, chat.chatInfo))
+        CIFileView(file: chatItem.file, edited: chatItem.meta.itemEdited, msgVerified: chatItem.meta.msgVerified, senderProfile: ciSenderProfile(chatItem, chat.chatInfo))
             .overlay(DetermineWidth())
         if text != "" || ci.meta.isLive {
             ciMsgContentView (chatItem)
diff --git a/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift b/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
index 292d6e1e42..968192ef16 100644
--- a/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
+++ b/apps/ios/Shared/Views/Chat/Group/GroupPreferencesView.swift
@@ -120,7 +120,7 @@ struct GroupPreferencesView: View {
                     get: { enableFeature.wrappedValue == .on },
                     set: { on, _ in enableFeature.wrappedValue = on ? .on : .off }
                 )
-                settingsRow(icon, color: color) {
+                settingsRow(icon, color: color, customImage: feature.customImage) {
                     Toggle(feature.text(isChannel: groupInfo.isChannel), isOn: enable)
                 }
                 .disabled(disabled)
@@ -143,7 +143,7 @@ struct GroupPreferencesView: View {
                     .frame(height: 36)
                 }
             } else {
-                settingsRow(icon, color: color) {
+                settingsRow(icon, color: color, customImage: feature.customImage) {
                     infoRow(Text(feature.text(isChannel: groupInfo.isChannel)), enableFeature.wrappedValue.text)
                 }
                 if timedOn {
diff --git a/apps/ios/Shared/Views/ChatList/ChatPreviewView.swift b/apps/ios/Shared/Views/ChatList/ChatPreviewView.swift
index a6e7fc5870..acb3662c00 100644
--- a/apps/ios/Shared/Views/ChatList/ChatPreviewView.swift
+++ b/apps/ios/Shared/Views/ChatList/ChatPreviewView.swift
@@ -438,7 +438,7 @@ struct ChatPreviewView: View {
             }
         case .file:
             smallContentPreviewFile(size: dynamicMediaSize) {
-                CIFileView(file: ci.file, edited: ci.meta.itemEdited, senderProfile: ciSenderProfile(ci, chat.chatInfo), smallViewSize: dynamicMediaSize)
+                CIFileView(file: ci.file, edited: ci.meta.itemEdited, msgVerified: ci.meta.msgVerified, senderProfile: ciSenderProfile(ci, chat.chatInfo), smallViewSize: dynamicMediaSize)
             }
         case let .chat(_, chatLink, ownerSig):
             smallContentPreview(size: dynamicMediaSize, borderColor: chatLink.image != nil ? .secondary : .clear) {
diff --git a/apps/ios/Shared/Views/UserSettings/SettingsView.swift b/apps/ios/Shared/Views/UserSettings/SettingsView.swift
index 2cb5698f8b..55e17c1e62 100644
--- a/apps/ios/Shared/Views/UserSettings/SettingsView.swift
+++ b/apps/ios/Shared/Views/UserSettings/SettingsView.swift
@@ -530,9 +530,11 @@ struct SettingsView: View {
     }
 }
 
-func settingsRow<Content : View>(_ icon: String, color: Color/* = .secondary*/, content: @escaping () -> Content) -> some View {
+func settingsRow<Content : View>(_ icon: String, color: Color/* = .secondary*/, customImage: Bool = false, content: @escaping () -> Content) -> some View {
     ZStack(alignment: .leading) {
-        Image(systemName: icon).frame(maxWidth: 24, maxHeight: 24, alignment: .center)
+        // custom symbol sets (e.g. "signature.plain") are asset images, SF Symbols are system images
+        (customImage ? Image(icon) : Image(systemName: icon))
+            .frame(maxWidth: 24, maxHeight: 24, alignment: .center)
             .symbolRenderingMode(.monochrome)
             .foregroundColor(color)
         content().padding(.leading, indent)
diff --git a/apps/ios/SimpleXChat/ChatTypes.swift b/apps/ios/SimpleXChat/ChatTypes.swift
index 4311d999d7..74fb067409 100644
--- a/apps/ios/SimpleXChat/ChatTypes.swift
+++ b/apps/ios/SimpleXChat/ChatTypes.swift
@@ -1005,7 +1005,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         case .reports: return "flag"
         case .history: return "clock"
         case .support: return "questionmark.circle"
-        case .signMessages: return "signature"
+        case .signMessages: return "signature.plain"
         }
     }
 
@@ -1021,7 +1021,7 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         case .reports: return "flag.fill"
         case .history: return "clock.fill"
         case .support: return "questionmark.circle.fill"
-        case .signMessages: return "signature"
+        case .signMessages: return "signature.plain"
         }
     }
 
@@ -1032,6 +1032,13 @@ public enum GroupFeature: String, Decodable, Feature, Hashable {
         }
     }
 
+    public var customImage: Bool {
+        switch self {
+        case .signMessages: return true
+        default: return false
+        }
+    }
+
     public func enableDescription(_ enabled: GroupFeatureEnabled, _ canEdit: Bool, isChannel: Bool = false) -> LocalizedStringKey {
         if canEdit {
             switch self {
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIMetaView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIMetaView.kt
index f081ede15c..b8c5aab56c 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIMetaView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIMetaView.kt
@@ -110,8 +110,10 @@ private fun CIMetaText(
     StatusIconText(painterResource(if (encrypted) MR.images.ic_lock else MR.images.ic_lock_open_right), color)
   }
   if (meta.msgVerified.verified && signedFileVerified) {
+    Spacer(Modifier.width(4.dp))
     StatusIconText(painterResource(MR.images.ic_signature), color)
   } else if (meta.msgVerified is MsgVerified.SigMissing) {
+    Spacer(Modifier.width(4.dp))
     StatusIconText(painterResource(MR.images.ic_warning), Color.Red)
   }
 
@@ -176,6 +178,7 @@ fun reserveSpaceForMeta(
     space = whiteSpace
   }
   if ((meta.msgVerified.verified && signedFileVerified) || meta.msgVerified is MsgVerified.SigMissing) {
+    appendSpace()
     res += iconSpace
     space = whiteSpace
   }
diff --git a/bots/api/TYPES.md b/bots/api/TYPES.md
index ce5c834001..b9c13ad279 100644
--- a/bots/api/TYPES.md
+++ b/bots/api/TYPES.md
@@ -139,6 +139,7 @@ This file is generated automatically.
 - [MsgReaction](#msgreaction)
 - [MsgReceiptStatus](#msgreceiptstatus)
 - [MsgSigStatus](#msgsigstatus)
+- [MsgVerified](#msgverified)
 - [NameErrorType](#nameerrortype)
 - [NetworkError](#networkerror)
 - [NewUser](#newuser)
@@ -872,7 +873,7 @@ Group:
 - editable: bool
 - forwardedByMember: int64?
 - showGroupAsSender: bool
-- msgSigned: [MsgSigStatus](#msgsigstatus)?
+- msgVerified: [MsgVerified](#msgverified)
 - createdAt: UTCTime
 - updatedAt: UTCTime
 
@@ -2218,6 +2219,7 @@ Phone:
 - support: [SupportGroupPreference](#supportgrouppreference)
 - sessions: [RoleGroupPreference](#rolegrouppreference)
 - comments: [CommentsGroupPreference](#commentsgrouppreference)
+- signMessages: [GroupPreference](#grouppreference)
 - commands: [[ChatBotCommand](#chatbotcommand)]
 
 
@@ -2310,6 +2312,7 @@ MemberSupport:
 - "support"
 - "sessions"
 - "comments"
+- "signMessages"
 
 
 ---
@@ -2551,6 +2554,7 @@ UpdateRequired:
 - support: [SupportGroupPreference](#supportgrouppreference)?
 - sessions: [RoleGroupPreference](#rolegrouppreference)?
 - comments: [CommentsGroupPreference](#commentsgrouppreference)?
+- signMessages: [GroupPreference](#grouppreference)?
 - commands: [[ChatBotCommand](#chatbotcommand)]?
 
 
@@ -2951,6 +2955,23 @@ Unknown:
 - "signedNoKey"
 
 
+---
+
+## MsgVerified
+
+**Discriminated union type**:
+
+Signed:
+- type: "signed"
+- sigStatus: [MsgSigStatus](#msgsigstatus)
+
+SigMissing:
+- type: "sigMissing"
+
+Unsigned:
+- type: "unsigned"
+
+
 ---
 
 ## NameErrorType
diff --git a/bots/src/API/Docs/Types.hs b/bots/src/API/Docs/Types.hs
index 35ea9fe261..5e1e2bb082 100644
--- a/bots/src/API/Docs/Types.hs
+++ b/bots/src/API/Docs/Types.hs
@@ -322,6 +322,7 @@ chatTypesDocsData =
     (sti @MsgReaction, STUnion, "MR", [], "", ""),
     (sti @MsgReceiptStatus, STEnum, "MR", [], "", ""),
     (sti @MsgSigStatus, STEnum, "MSS", [], "", ""),
+    (sti @MsgVerified, STUnion, "MV", [], "", ""),
     (sti @NameErrorType, STUnion, "", [], "", ""),
     (sti @NetworkError, STUnion, "NE", [], "", ""),
     (sti @NewUser, STRecord, "", [], "", ""),
@@ -554,6 +555,7 @@ deriving instance Generic MsgFilter
 deriving instance Generic MsgReaction
 deriving instance Generic MsgReceiptStatus
 deriving instance Generic MsgSigStatus
+deriving instance Generic MsgVerified
 deriving instance Generic NameErrorType
 deriving instance Generic NetworkError
 deriving instance Generic NewUser
diff --git a/bots/src/API/TypeInfo.hs b/bots/src/API/TypeInfo.hs
index f949a2f92f..e225659c4d 100644
--- a/bots/src/API/TypeInfo.hs
+++ b/bots/src/API/TypeInfo.hs
@@ -240,7 +240,8 @@ toTypeInfo tr =
       [ "FullDeleteGroupPreference",
         "ReactionsGroupPreference",
         "ReportsGroupPreference",
-        "HistoryGroupPreference"
+        "HistoryGroupPreference",
+        "SignMessagesGroupPreference"
       ]
     roleGroupPrefTypes =
       [ "DirectMessagesGroupPreference",
diff --git a/packages/simplex-chat-client/types/typescript/src/types.ts b/packages/simplex-chat-client/types/typescript/src/types.ts
index dcd9a5581f..22c7667597 100644
--- a/packages/simplex-chat-client/types/typescript/src/types.ts
+++ b/packages/simplex-chat-client/types/typescript/src/types.ts
@@ -841,7 +841,7 @@ export interface CIMeta {
   editable: boolean
   forwardedByMember?: number // int64
   showGroupAsSender: boolean
-  msgSigned?: MsgSigStatus
+  msgVerified: MsgVerified
   createdAt: string // ISO-8601 timestamp
   updatedAt: string // ISO-8601 timestamp
 }
@@ -2529,6 +2529,7 @@ export interface FullGroupPreferences {
   support: SupportGroupPreference
   sessions: RoleGroupPreference
   comments: CommentsGroupPreference
+  signMessages: GroupPreference
   commands: ChatBotCommand[]
 }
 
@@ -2603,6 +2604,7 @@ export enum GroupFeature {
   Support = "support",
   Sessions = "sessions",
   Comments = "comments",
+  SignMessages = "signMessages",
 }
 
 export enum GroupFeatureEnabled {
@@ -2812,6 +2814,7 @@ export interface GroupPreferences {
   support?: SupportGroupPreference
   sessions?: RoleGroupPreference
   comments?: CommentsGroupPreference
+  signMessages?: GroupPreference
   commands?: ChatBotCommand[]
 }
 
@@ -3207,6 +3210,29 @@ export enum MsgSigStatus {
   SignedNoKey = "signedNoKey",
 }
 
+export type MsgVerified = MsgVerified.Signed | MsgVerified.SigMissing | MsgVerified.Unsigned
+
+export namespace MsgVerified {
+  export type Tag = "signed" | "sigMissing" | "unsigned"
+
+  interface Interface {
+    type: Tag
+  }
+
+  export interface Signed extends Interface {
+    type: "signed"
+    sigStatus: MsgSigStatus
+  }
+
+  export interface SigMissing extends Interface {
+    type: "sigMissing"
+  }
+
+  export interface Unsigned extends Interface {
+    type: "unsigned"
+  }
+}
+
 export type NameErrorType = NameErrorType.NO_RESOLVER | NameErrorType.NOT_FOUND | NameErrorType.RESOLVER
 
 export namespace NameErrorType {
diff --git a/packages/simplex-chat-python/src/simplex_chat/types/_types.py b/packages/simplex-chat-python/src/simplex_chat/types/_types.py
index 0856aaf772..4ebe75a8fd 100644
--- a/packages/simplex-chat-python/src/simplex_chat/types/_types.py
+++ b/packages/simplex-chat-python/src/simplex_chat/types/_types.py
@@ -587,7 +587,7 @@ class CIMeta(TypedDict):
     editable: bool
     forwardedByMember: NotRequired[int]  # int64
     showGroupAsSender: bool
-    msgSigned: NotRequired["MsgSigStatus"]
+    msgVerified: "MsgVerified"
     createdAt: str  # ISO-8601 timestamp
     updatedAt: str  # ISO-8601 timestamp
 
@@ -1775,6 +1775,7 @@ class FullGroupPreferences(TypedDict):
     support: "SupportGroupPreference"
     sessions: "RoleGroupPreference"
     comments: "CommentsGroupPreference"
+    signMessages: "GroupPreference"
     commands: list["ChatBotCommand"]
 
 class FullPreferences(TypedDict):
@@ -1818,7 +1819,7 @@ class GroupDirectInvitation(TypedDict):
     fromGroupMemberConnId_: NotRequired[int]  # int64
     groupDirectInvStartedConnection: bool
 
-GroupFeature = Literal["timedMessages", "directMessages", "fullDelete", "reactions", "voice", "files", "simplexLinks", "reports", "history", "support", "sessions", "comments"]
+GroupFeature = Literal["timedMessages", "directMessages", "fullDelete", "reactions", "voice", "files", "simplexLinks", "reports", "history", "support", "sessions", "comments", "signMessages"]
 
 GroupFeatureEnabled = Literal["on", "off"]
 
@@ -1966,6 +1967,7 @@ class GroupPreferences(TypedDict):
     support: NotRequired["SupportGroupPreference"]
     sessions: NotRequired["RoleGroupPreference"]
     comments: NotRequired["CommentsGroupPreference"]
+    signMessages: NotRequired["GroupPreference"]
     commands: NotRequired[list["ChatBotCommand"]]
 
 class GroupProfile(TypedDict):
@@ -2243,6 +2245,20 @@ MsgReceiptStatus = Literal["ok", "badMsgHash"]
 
 MsgSigStatus = Literal["verified", "signedNoKey"]
 
+class MsgVerified_signed(TypedDict):
+    type: Literal["signed"]
+    sigStatus: "MsgSigStatus"
+
+class MsgVerified_sigMissing(TypedDict):
+    type: Literal["sigMissing"]
+
+class MsgVerified_unsigned(TypedDict):
+    type: Literal["unsigned"]
+
+MsgVerified = MsgVerified_signed | MsgVerified_sigMissing | MsgVerified_unsigned
+
+MsgVerified_Tag = Literal["signed", "sigMissing", "unsigned"]
+
 class NameErrorType_NO_RESOLVER(TypedDict):
     type: Literal["NO_RESOLVER"]