[513] in RedHat Linux List
POP3 problems - retry
daemon@ATHENA.MIT.EDU (Craig Bull)
Tue Oct 22 23:32:23 1996
From: "Craig Bull" <BULL@opus.oca.udayton.edu>
To: redhat-list@redhat.com
Date: Tue, 22 Oct 1996 23:28:52 EST
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
I sent this earlier, but it got cut off somehow. (it's late)
------- Forwarded Message Follows -------
We're running Picasso on a 64MB P100. This system acts primarily as
the mail server for student users on campus. It's currently
supporting 3,000 users, with the potential for 8,500, although due to
some other systems, it will never get that high. It also handles
some FTP duties, but we've never had more the 4-6 connections open at
once. For the most part, it doesn't do much FTP.
We are having major problems with ipop3d refusing connections. It
may work fine for several days, and then stop refusing connections.
We issue a kill -HUP on inetd and it starts taking connections
again. We may then have problems for about 12 hours, but then things
clear up again, for a while, anyway.
We've been driving ourselves nuts trying to figure out what the
problem is. A number of students connect via PPP, but a lot of
others have ethernet in their rooms. Some have their mail programs
checking for new mail every 5 seconds. (I can't imagine why they
think they're *that* popular!) Could that be causing us a problem?
I really think we've got some configuration problem, but I don't have
a clue what it might be. We've looked at a number of things, but
nothing seems to be helping. We tried qpopper 2.2, but that gave us
more problems. We'd get errors about opening the bulletin database,
which kept people from authenticating to the POP daemon, so they
can't get their mail. All users have the same home directory, which
is why we use the central database for qpop. They are not permitted
to telnet to the system, only FTP and POP3.
Any help would be *greatly* appreciated. We'd get some sanity back,
but more importantly, it'd get the students off our backs! :)
Thanks!
======================================================================
Craig Bull
Network Specialist
University of Dayton
bull@udayton.edu
======================================================================
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