[Dovecot] IMAP extensions & their meanings

[Michael M. Slusarz]

Quoting Brian Candler <B.Candler at pobox.com>:

> On Thu, Apr 01, 2010 at 04:15:35PM -0400, Jerry wrote:
>> I know that is is not really a Dovecot problem; however, I was
>> wondering where I could get a complete list of the terms used in the
>> 'capability' line. I have not had any success in finding out what
>> things like "XLIST" refer to. I don't believe that is one that Dovecot
>> uses; however, I have seen it with other IMAP servers, plus lots of
>> other flags that I do not understand.
>>
>> I tried Googling but only got a few sporadic and basically useless
>> answers.
>
> Google "IANA registry IMAP capabilities" (without the quotes). First hit is
> what you want; follow each RFC reference for more details.

http://www.iana.org/assignments/imap4-capabilities

michael