lmtp read timeout

[Rob Siemborski]

On Sun, 4 Jan 2004, Matt Bernstein wrote:

> >   1.  -> lmtp read timeout <- What problem is meant ? Postfix is
> >      writing to the unix socket but nobody reads from the socket or
> >      Cyrus is reading from the socket but nobody is writing to it ?
>
> I've seen this with Exim. Exim sends the DATA phase and never hears back
> from lmtpd. It only happens for specific recipients, so the only effect is
> that mail delivery is stalled for some users. Restarting "master" seems to
> fix it: a bit heavy, but fine for most people, as most IMAP clients just
> re-authenticate. Fussy clients (like mine ;) tell you something's awry.

If this only happens for specific recipients, one question to ask is "did
they get disconnected during an APPEND operation" which is a known bug
(we hold a lock across a network read that we almost certainly shouldn't).

-Rob

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper