On 01/23/2014 07:11 PM, Michael M Slusarz wrote: > IIRC, No. Kolab uses the mailbox-level METADATA extension instead (RFC > 5464).
RFC5257 is for message annotations (not folder/mailbox annotations), so it is a different thing. Kolab does not use it. Anyway there are not many servers supporting RFC5257. -- Aleksander 'A.L.E.C' Machniak LAN Management System Developer [http://lms.org.pl] Roundcube Webmail Developer [http://roundcube.net] --------------------------------------------------- PGP: 19359DC1 @@ GG: 2275252 @@ WWW: http://alec.pl