[RFC] 5530 [Name] IMAP Response Codes [Capability name] - [Agorum Core] no [Apache James] no [Archive​opteryx] yes [Axigen] no [Citadel] no [Communigate Pro] no [Courier] no [Cyrus] no [DBMail] no [Dovecot] v1.2 [GMail] FIXME [IceWarp] no [Isode] FIXME [Kerio Connect] no [MDaemon] no [Microsoft Exchange] no [Oracle] v7.0.5 [UW-IMAP] no [Zimbra] no [WinGate 7] 
no