[Dovecot] IMAP-proxy or not with sogo webmail and dovecot backend

Jan-Frode Myklebust janfrode at tanso.net
Mon Feb 13 22:35:11 EET 2012

On Mon, Feb 13, 2012 at 01:24:25PM -0700, Michael M Slusarz wrote:
> Except you are most likely NOT leveraging the truly interesting part
> of imapproxy - the ability to restore the IMAP connection state via
> the XPROXYREUSE status response.  This is a significant performance
> improvement since it also reduces processing load on the client side
> (everything before/including authentication needs to be done whether
> using imapproxy or not, so there is no client-side savings for these
> commands).

Thanks for this info, good to know. I'll check with inverse/sogo if this
is something they use/intend to use..

> additional advantage. Note that the XPROXYREUSE-enabled MUA must be
> the exclusive user of the imapproxy instance for this feature to
> work correctly.

Not a problem. Assuming it doesn't also need to be the only imap user of
the account/folder.

BTW: do you also have information on the state of select caching in the
up-imapproxy? I got some very negative comments when googling it, and the
changelog didn't suggest there had been any improvements since..


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