feat: Don't send Chat-Group-Name* headers for InBroadcast-s

src/chat/chat_tests.rs

@@ -2805,6 +2805,15 @@ async fn test_broadcast_members_cant_see_each_other() -> Result<()> {
             "alice@example.org charlie@example.net"
         );
 
+        // Check additionally that subscribers don't send "Chat-Group-Name*" headers.
+        let parsed = alice.parse_msg(&request_with_auth).await;
+        assert!(parsed.get_header(HeaderDef::ChatGroupName).is_none());
+        assert!(
+            parsed
+                .get_header(HeaderDef::ChatGroupNameTimestamp)
+                .is_none()
+        );
+
         alice.recv_msg_trash(&request_with_auth).await;
     }
 

src/mimefactory.rs

@@ -1394,10 +1394,7 @@ impl MimeFactory {
             }
         }
 
-        if chat.typ == Chattype::Group
-            || chat.typ == Chattype::OutBroadcast
-            || chat.typ == Chattype::InBroadcast
-        {
+        if chat.typ == Chattype::Group || chat.typ == Chattype::OutBroadcast {
             headers.push((
                 "Chat-Group-Name",
                 mail_builder::headers::text::Text::new(chat.name.to_string()).into(),
@@ -1408,7 +1405,11 @@ impl MimeFactory {
                     mail_builder::headers::text::Text::new(ts.to_string()).into(),
                 ));
             }
-
+        }
+        if chat.typ == Chattype::Group
+            || chat.typ == Chattype::OutBroadcast
+            || chat.typ == Chattype::InBroadcast
+        {
             match command {
                 SystemMessage::MemberRemovedFromGroup => {
                     let email_to_remove = msg.param.get(Param::Arg).unwrap_or_default();