Mailing List SIMS@mail.stalker.com Message #14757
From: michael@whiterose.org <michael@whiterose.org>
Subject: Re: outlook clients, POP times out?
Date: Wed, 22 Sep 2004 11:54:44 -0400
To: <sims@mail.stalker.com>
I find that a webmail pop interface like mail2web is good for allowing
clients to scrub bad attachments out of their mailboxes.  I personally use
mailsiphon, but for windows users or on the road, a web interface makes
this easier.



Original Message:
-----------------
From: Bill Cole listbill@scconsult.com
Date: Wed, 22 Sep 2004 11:44:07 -0400
To: SIMS@mail.stalker.com
Subject: Re: outlook clients, POP times out?


At 10:01 AM -0400 9/22/04, Charles Mangin  imposed structure on a
stream of electrons, yielding:
>let's call it the Mysterious Outlook POP Timeout
>
>i thought it was just one client and some weirdness with their ISP
>(with whom i've had some discussions of their email policies), but
>now someone else is having the same problem using a totally
>different ISP. they're using outlook express on windows, and log in
>to receive mail, authenticatine successfully. the client sees there
>are messages waiting (downloading message 1 of 5, etc) but there's
>never any progress past that point. it times out and eventually asks
>if they want to wait another 60 seconds (or 180 or whatever the
>timeout is set on their client). despite waiting forever, nothing
>ever happens.
>
>i've poked at the logs and set the logging to the most detail for
>POP, and i'll post a log snippet when i find what i'm looking for
>(but with ~90 clients checking mail every minute or so, it's a lot
>to scrub through)
>
>the first client i saw this happening on had received some odd
>attachments and weirdly formatted spam, but i was able to log in
>using mail.app, get their mail and resend it to them, and they were
>then able to receive as before. i hate having to do this, as i'd
>hate to have someone else reading my email - and it'd be a pain to
>do this for every case that pops up (almost everyone i serve email
>to is using outlook these days)
>
>any ideas or suggestions? is this something that's been discussed
>here before, but i've missed it?


One possible source of this is bloated mailboxes on the server. SIMS
has to re-parse the mailbox for each POP login, and if the user is
behind some system that is unfriendly to long-idle connections (as
some firewalls and NAT devices can be) they can have their link
severed without ever knowing it.

That's obviously just a guess, and the log might well show more clues.
--
Bill Cole                                  
bill@scconsult.com


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