b934d9c4__Unofficial_IMAP_Protocol_Wiki__WinGate_7
[RFC] 2087 [Name] IMAP4 QUOTA extension [Capability name] QUOTA [Agorum Core] no [Apache James] no [Archive​opteryx] yes [Axigen] yes [Citadel] no [Communigate Pro] yes [Courier] yes [Cyrus] yes [DBMail] yes [Dovecot] v1.0 [GMail] yes [IceWarp] yes [Isode] yes [Kerio Connect] yes [MDaemon] yes [Microsoft Exchange] no [Oracle] yes [UW-IMAP] no [Zimbra] yes [WinGate 7] 
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Specs - Unofficial IMAP Protocol Wiki
WinGate 7