diff --git a/cabal.project b/cabal.project
index 9b82856f8e..9c1b8a8c8d 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,7 +12,7 @@ constraints: zip +disable-bzip2 +disable-zstd
 source-repository-package
     type: git
     location: https://codeberg.org/s1m/sxmq.git
-    tag: f5720a254104d70b33ac1479ffa9d24ba9988b59
+    tag: a9ef465c0af3829c58fb5e45627d9673aa5b1ee7
 
 -- source-repository-package
 --     type: git
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index ffdf834552..d4dfe1e5c2 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,5 +1,5 @@
 {
-  "https://codeberg.org/s1m/sxmq.git"."f5720a254104d70b33ac1479ffa9d24ba9988b59" = "cf9a74de0d05afa60a74aa8aa54205c718286b9c16c5f0f398a24d7fa7f7b1ff";
+  "https://codeberg.org/s1m/sxmq.git"."a9ef465c0af3829c58fb5e45627d9673aa5b1ee7" = "5921e554cd08372335a415d7c6edcb8d83893f77fffcf5370edaaff7fe47bea6";
   "https://github.com/simplex-chat/simplexmq.git"."d352d518c2b3a42bc7a298954dde799422e1457f" = "1rha84pfpaqx3mf218szkfra334vhijqf17hanxqmp1sicfbf1x3";
   "https://github.com/simplex-chat/hs-socks.git"."a30cc7a79a08d8108316094f8f2f82a0c5e1ac51" = "0yasvnr7g91k76mjkamvzab2kvlb1g5pspjyjn2fr6v83swjhj38";
   "https://github.com/simplex-chat/direct-sqlcipher.git"."f814ee68b16a9447fbb467ccc8f29bdd3546bfd9" = "1ql13f4kfwkbaq7nygkxgw84213i0zm7c1a8hwvramayxl38dq5d";
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index 553f2ec6cd..c889eb3c74 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -238,6 +238,7 @@ library
           Simplex.Chat.Store.SQLite.Migrations.M20250402_short_links
           Simplex.Chat.Store.SQLite.Migrations.M20250512_member_admission
           Simplex.Chat.Store.SQLite.Migrations.M20250513_group_scope
+          Simplex.Chat.Store.SQLite.Migrations.M20250815_extras
   other-modules:
       Paths_simplex_chat
   hs-source-dirs:
diff --git a/src/Simplex/Chat/Store/Profiles.hs b/src/Simplex/Chat/Store/Profiles.hs
index 6678f85e53..ec11845d46 100644
--- a/src/Simplex/Chat/Store/Profiles.hs
+++ b/src/Simplex/Chat/Store/Profiles.hs
@@ -109,7 +109,7 @@ import qualified Simplex.Messaging.Crypto as C
 import qualified Simplex.Messaging.Crypto.Ratchet as CR
 import Simplex.Messaging.Encoding.String
 import Simplex.Messaging.Parsers (defaultJSON)
-import Simplex.Messaging.Protocol (BasicAuth (..), ProtoServerWithAuth (..), ProtocolServer (..), ProtocolType (..), ProtocolTypeI (..), SProtocolType (..), SubscriptionMode)
+import Simplex.Messaging.Protocol (BasicAuth (..), ProtoServerWithAuth (..), ProtocolServer (..), ProtocolType (..), ProtocolTypeI (..), SProtocolType (..), SubscriptionMode, Extras)
 import Simplex.Messaging.Transport.Client (TransportHost)
 import Simplex.Messaging.Util (eitherToMaybe, safeDecodeUtf8)
 #if defined(dbPostgres)
@@ -571,15 +571,15 @@ getProtocolServers db p User {userId} =
     <$> DB.query
       db
       [sql|
-        SELECT smp_server_id, host, port, key_hash, basic_auth, preset, tested, enabled
+        SELECT smp_server_id, host, port, key_hash, extras, basic_auth, preset, tested, enabled
         FROM protocol_servers
         WHERE user_id = ? AND protocol = ?
       |]
       (userId, decodeLatin1 $ strEncode p)
   where
-    toUserServer :: (DBEntityId, NonEmpty TransportHost, String, C.KeyHash, Maybe Text, BoolInt, Maybe BoolInt, BoolInt) -> UserServer p
-    toUserServer (serverId, host, port, keyHash, auth_, BI preset, tested, BI enabled) =
-      let server = ProtoServerWithAuth (ProtocolServer p host port keyHash) (BasicAuth . encodeUtf8 <$> auth_)
+    toUserServer :: (DBEntityId, NonEmpty TransportHost, String, C.KeyHash, Maybe Extras, Maybe Text, BoolInt, Maybe BoolInt, BoolInt) -> UserServer p
+    toUserServer (serverId, host, port, keyHash, extras, auth_, BI preset, tested, BI enabled) =
+      let server = ProtoServerWithAuth (ProtocolServer p host port keyHash extras) (BasicAuth . encodeUtf8 <$> auth_)
        in UserServer {serverId, server, preset, tested = unBI <$> tested, enabled, deleted = False}
 
 insertProtocolServer :: forall p. ProtocolTypeI p => DB.Connection -> SProtocolType p -> User -> UTCTime -> NewUserServer p -> IO (UserServer p)
@@ -588,8 +588,8 @@ insertProtocolServer db p User {userId} ts srv@UserServer {server, preset, teste
     db
     [sql|
       INSERT INTO protocol_servers
-        (protocol, host, port, key_hash, basic_auth, preset, tested, enabled, user_id, created_at, updated_at)
-      VALUES (?,?,?,?,?,?,?,?,?,?,?)
+        (protocol, host, port, key_hash, extras, basic_auth, preset, tested, enabled, user_id, created_at, updated_at)
+      VALUES (?,?,?,?,?,?,?,?,?,?,?,?)
     |]
     (serverColumns p server :. (BI preset, BI <$> tested, BI enabled, userId, ts, ts))
   sId <- insertedRowId db
@@ -601,17 +601,17 @@ updateProtocolServer db p ts UserServer {serverId, server, preset, tested, enabl
     db
     [sql|
       UPDATE protocol_servers
-      SET protocol = ?, host = ?, port = ?, key_hash = ?, basic_auth = ?,
+      SET protocol = ?, host = ?, port = ?, key_hash = ?, extras = ?, basic_auth = ?,
           preset = ?, tested = ?, enabled = ?, updated_at = ?
       WHERE smp_server_id = ?
     |]
     (serverColumns p server :. (BI preset, BI <$> tested, BI enabled, ts, serverId))
 
-serverColumns :: ProtocolTypeI p => SProtocolType p -> ProtoServerWithAuth p -> (Text, NonEmpty TransportHost, String, C.KeyHash, Maybe Text)
-serverColumns p (ProtoServerWithAuth ProtocolServer {host, port, keyHash} auth_) =
+serverColumns :: ProtocolTypeI p => SProtocolType p -> ProtoServerWithAuth p -> (Text, NonEmpty TransportHost, String, C.KeyHash, Maybe Extras, Maybe Text)
+serverColumns p (ProtoServerWithAuth ProtocolServer {host, port, keyHash, extras} auth_) =
   let protocol = decodeLatin1 $ strEncode p
       auth = safeDecodeUtf8 . unBasicAuth <$> auth_
-   in (protocol, host, port, keyHash, auth)
+   in (protocol, host, port, keyHash, extras, auth)
 
 getServerOperators :: DB.Connection -> ExceptT StoreError IO ServerOperatorConditions
 getServerOperators db = do
diff --git a/src/Simplex/Chat/Store/SQLite/Migrations.hs b/src/Simplex/Chat/Store/SQLite/Migrations.hs
index 871cb62220..dafb1fc717 100644
--- a/src/Simplex/Chat/Store/SQLite/Migrations.hs
+++ b/src/Simplex/Chat/Store/SQLite/Migrations.hs
@@ -131,6 +131,7 @@ import Simplex.Chat.Store.SQLite.Migrations.M20250130_indexes
 import Simplex.Chat.Store.SQLite.Migrations.M20250402_short_links
 import Simplex.Chat.Store.SQLite.Migrations.M20250512_member_admission
 import Simplex.Chat.Store.SQLite.Migrations.M20250513_group_scope
+import Simplex.Chat.Store.SQLite.Migrations.M20250815_extras
 import Simplex.Messaging.Agent.Store.Shared (Migration (..))
 
 schemaMigrations :: [(String, Query, Maybe Query)]
@@ -261,7 +262,8 @@ schemaMigrations =
     ("20250130_indexes", m20250130_indexes, Just down_m20250130_indexes),
     ("20250402_short_links", m20250402_short_links, Just down_m20250402_short_links),
     ("20250512_member_admission", m20250512_member_admission, Just down_m20250512_member_admission),
-    ("20250513_group_scope", m20250513_group_scope, Just down_m20250513_group_scope)
+    ("20250513_group_scope", m20250513_group_scope, Just down_m20250513_group_scope),
+    ("20250815_extras", m20250815_extras, Just down_m20250815_extras)
   ]
 
 -- | The list of migrations in ascending order by date
diff --git a/src/Simplex/Chat/Store/SQLite/Migrations/M20250815_extras.hs b/src/Simplex/Chat/Store/SQLite/Migrations/M20250815_extras.hs
new file mode 100644
index 0000000000..fb6233af40
--- /dev/null
+++ b/src/Simplex/Chat/Store/SQLite/Migrations/M20250815_extras.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.SQLite.Migrations.M20250815_extras where
+
+import Database.SQLite.Simple (Query)
+import Database.SQLite.Simple.QQ (sql)
+
+m20250815_extras :: Query
+m20250815_extras =
+  [sql|
+ALTER TABLE protocol_servers ADD COLUMN extras TEXT;
+|]
+
+down_m20250815_extras :: Query
+down_m20250815_extras =
+  [sql|
+ALTER TABLE protocol_servers DROP COLUMN extras;
+|]
diff --git a/src/Simplex/Chat/Store/SQLite/Migrations/chat_schema.sql b/src/Simplex/Chat/Store/SQLite/Migrations/chat_schema.sql
index 91670ffc7b..33e0aa9069 100644
--- a/src/Simplex/Chat/Store/SQLite/Migrations/chat_schema.sql
+++ b/src/Simplex/Chat/Store/SQLite/Migrations/chat_schema.sql
@@ -464,6 +464,7 @@ CREATE TABLE IF NOT EXISTS "protocol_servers"(
   host TEXT NOT NULL,
   port TEXT NOT NULL,
   key_hash BLOB NOT NULL,
+  extras TEXT,
   basic_auth TEXT,
   preset INTEGER NOT NULL DEFAULT 0,
   tested INTEGER,