dovecot - Aug 2012 - v2.2 status update: IMAP NOTIFY extension and more

v2.2 hg now has support for NOTIFY extension. The only thing missing is
support for SubscriptionChange events. Now would be a good time for IMAP
clients to start implementing and testing it. :) I remember K9
developers at least said they were just waiting for Dovecot to support
it first.

v2.2 implements some other extensions also: BINARY, CATENATE and MOVE.
Stephan has also implemented URLAUTH pretty far. Hopefully it gets
finished in time for v2.2.0. I'll also try to implement the rest of the
LEMONADE extensions: CONVERT, CONTEXT=SORT and URLAUTH=BINARY.

I'm also considering implementing an SMTP submission server, which works
only as a proxy to the real SMTP server. The benefits of it would mainly
be:

 * It could support BURL command and other extensions required by
LEMONADE. The real SMTP server would see only regular DATA commands.
 * Would make SMTP AUTH easy to implement regardless of what the real
SMTP server is.

* Timo Sirainen <dovecot at dovecot.org>:
> I'm also considering implementing an SMTP submission server, which
works
> only as a proxy to the real SMTP server. The benefits of it would mainly
> be:
> 
>  * It could support BURL command and other extensions required by
> LEMONADE. The real SMTP server would see only regular DATA commands.
>  * Would make SMTP AUTH easy to implement regardless of what the real
> SMTP server is.
Nice move! Especially since I recall Wietse being not very inclined to
implement anything alike.

p at rick



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> 
> I'm also considering implementing an SMTP submission server, which
works
> only as a proxy to the real SMTP server. The benefits of it would mainly
> be:
What would be really cool is if you also kept statistics on certain metrics,
like how many emails a specific sender has sent. If this is done right, it could
become a centralised spam sender back-off system over multiple smtp servers.
Maybe something for the future. We now pay $$$$ for a commercial system that
implements this.

Cor