At 04:26 PM 4/3/02, Mohamed M. Abbas wrote: >On Wed, 3 Apr 2002, Daniel Senie wrote: > > > At 03:30 PM 4/3/02, Mohamed M. Abbas wrote: > > >Hello All, > > > > > >I run a combination of sendmail / qpopper setup for our email > > >infrastructure. And we've been having more and more users ( 5000 users > > >total ) start to leave their mail on the server. > > > > Time to institute a policy to sweep out the cruft. > > > We have about 30 people > > >who have in excess of 25 Megs of mail on the server. When anyone of > > >those 30 users checks their email, the load on the system skyrockets > > >through the roof. > > > > We run a utility that sweeps out mailboxes. Presently we have it delete > > anything that's been in a mailbox for more than 30 days. Worked like a > > champ, and much easier than trying to police our user base. > > > >I thought about that. But I'm not sure if it's effective for a user base >of 5000, where there is a trend to leave mail on the server.
My feeling is, it's quite practical. I have the sweeper running at 3AM, when few are using the server. But even so, the load from the sweeper is minimal. > > > My question is this: Is QPopper or POP3 suited for > > >situations where users leave their email on the server? > > > > Well, qpopper is an application, and POP3 is the protocol it implements. > > You might want to rephrase your question. As for qpopper's performance in > > such cases, there are several tunable parameters which you might want to > > consider. Others have discussed these recently. I'll let others comment on > > the best approaches and tradeoffs. > > > > And if it's not > > >suited for such purpose, what protocol / software is? > > > > Your protocol choices are POP3 and IMAP. > >I guess I have to be more precise. Given the situation that I've described >above, which protocol is more suited for it? Well, IMAP is more complex to describe to users. That's the primary reason we don't support it. Just not worth the support costs. > And if POP3 is suited, how do >I go about to configure QPopper in such a way as not to produce load >spikes every time someone who leaves his mail on ther server check his/her >email. This I'll leave to others. There's some material in the manual about this, and some that folks have learned. >Mohamed M. Abbas >[EMAIL PROTECTED] >System Administrator >Longwood College ----------------------------------------------------------------- Daniel Senie [EMAIL PROTECTED] Amaranth Networks Inc. http://www.amaranth.com
