My configuration User Inbox - Backend cyrus 2.4.1 +SharedFolderA - Backend cyrus 2.4.1 +SharedFolderB - Backend cyrus 2.3.16 Client used Mozilla Thunderbird 3.1.4 In File Subscribe i can see all Folders ( INBOX, SharedFolderA, SharedFolderB ) When i click in subscribe, i dont have any problem or erroneus message I see " shared folder" in my HOME server normal, but folders in another server ( SharedFolderB ) appears in Grey Italic. Reference: http://kb.mozillazine.org/Grey_italic_folders "" A IMAP folder will be displayed in grey italics if the folder has a \Noselect flag. Normally this means the folder can contain child folders, but not messages. [1] This is a IMAP protocol flag, not one of the folder flags that can be set using the Folder Flag extension. """" If i uncheck the option "Show only subscribed folder" in Config >> Account >> Server >> Advanced. I can work normal with all mailboxes... This is the correct behavior in Cyrus 2.4.1 ? In Cyrus 2.3.16 i dont have to set this option, i can subscribe normal in remote mailboxes servers. With Cyrus 2.4.0 i see the folders to subscribe, but the folders are not avaiable i dont see any folder, in Cyrus 2.4.1 i see this folders, but in grey italic. Regards Zinato ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/