
IMAP4 Capabilities Registry (RFC2060)

(last updated 19 July 2006)

Capability names MUST either begin with "X" or be standard or
standards-track IMAP4rev1 extensions, revisions, or amendments
registered with IANA.  A server MUST NOT offer unregistered or
non-standard capability names, unless such names are prefixed with an
"X".
 
Client implementations SHOULD NOT require any capability name other
than "IMAP4rev1", and MUST ignore any unknown capability names.


Capability Name             Reference
---------------             ---------
ACL                         [RFC2086][RFC4314]
IDLE                        [RFC2177]
LITERAL+                    [RFC2088]
LOGIN-REFERRALS             [RFC2221]
MAILBOX-REFERRALS           [RFC2193]
NAMESPACE                   [RFC2342]
QUOTA                       [RFC2087]
UIDPLUS                     [RFC4315]	
STARTTLS                    [RFC2595][RFC3501]
LOGINDISABLED               [RFC2595][RFC3501]
ID                          [RFC2971]
UNSELECT                    [RFC3691]
RIGHTS=                     [RFC4314]            
URLAUTH                     [RFC4467]
CATENATE                    [RFC4469]
CONDSTORE                   [RFC4551]
	
References
----------
[RFC2060]  Crispin, M., "Internet Message Access Protocol Version
           4rev1", RFC 2060, December 1996.

[RFC2086]  Myers, J., "IMAP4 ACL extension", Carnegie Mellon, January 1997.

[RFC2087]  Myers, J., "IMAP4 QUOTA extension", Carnegie Mellon, January 1997.

[RFC2088]  Myers, J., "IMAP4 non-synchronizing literals", Carnegie Mellon, 
           January 1997.

[RFC2177]  Leiba, B., "IMAP4 IDLE command", IBM T.J. Watson Research
           Center, June 1997.

[RFC2193]  Gahrns, M., "IMAP4 Mailbox Referrals", Microsoft, September 1997.

[RFC2221]  Gahrns, M., "IMAP4 Login Referrals", Microsoft, October 1997.

[RFC2342]  Gahrns, M., Newman, C., "IMAP4 Namespace", Microsoft, Innosoft, 
           May 1998.

[RFC2359]  Myers, J., "IMAP4 UIDPLUS extension", Netscape Communications, 
           June 1998.

[RFC2595]  Newman, C., "Using TLS with IMAP, POP3 and ACAP", RFC 2595,
           Innosoft, June 1999.

[RFC2971]  Showalter, T. "IMAP4 ID extension", RFC 2971, October 2000.

[RFC3501]  M. Crispin, "INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1",
           RFC 3501, March 2004.

[RFC3691]  A. Melnikov, "IMAP UNSELECT command", RFC 3691, February 2004.

[RFC4314]  A. Melnikov, "IMAP4 ACL extension", RFC 4314, December 2005.

[RFC4315]  M. Crispin, "Internet Message Access Protocol (IMAP) - UIDPLUS extension",
           RFC 4315, December 2005.

[RFC4467]  M. Crispin, "Internet Message Access Protocol (IMAP) - URLAUTH Extension",
           RFC 4467, May 2006.

[RFC4469]  P. Resnick, "Internet Message Access Protocol (IMAP) CATENATE Extension",
           RFC 4469, April 2006.

[RFC4551]  A. Melnikov and S. Hole, "IMAP Extension for Conditional STORE operation",
           RFC 4551, June 2006.

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