> Anyone ideas on speeding things up?

qmail + ezmlm-idx + multilog.  Install the big-concurrency patch to qmail
before you install it, set the concurrency to 300 or so.  Multilog bypasses
syslog for mail logging and takes nearly no cpu.  My only bottleneck while
using this setup was my nameserver couldn't keep up, so I installed djbdns
and allocated 100MB of RAM to it.  A list with 10,000 subscribers will go
out completely in about a minute.  Ezmlm will handle bounces automatically
and remove them from the list.  Every aspect of it is totally customizable,
and it has some pretty good security options also.  You can also enable a
remote management over email option.  You can also set it up so the lists
are held in a MySQL database, of course IMHO that's just something else
which could break and it's not necessary unless you have REALLY huge lists.

It's definitely not straightforward to set up, but once it's working, it
works great.  I handle a couple million of messages per day on my setup and
haven't had a problem with it for over 3 months, which was when I first set
it up.

Jay

> -----Original Message-----
> From: Bob Tanner [mailto:tanner at real-time.com]
> Sent: Tuesday, November 21, 2000 5:46 PM
> To: tclug-list at mn-linux.org
> Subject: [TCLUG] mailman with sendmail = performance bottleneck
> 
> 
> I have to say I am very disappointed at mailman's performance 
> with sendmail.
> Especially qrunner and how it works.
> 
> I am running sendmail with 10 queues, but it looks like 
> mailman only userstands
> 1 queue.
> 
> If a message is not deliverable for whatever reason, mailman 
> puts files into a
> directory called qfiles. 
> 
> Then onces every minute a process called qrunner is invoked 
> to walk the qfiles
> directory trying to re-deliver the messages.
> 
> What sucks is qrunner just tries to deliver each message one 
> at a time. If
> message 5 takes forever on the rcpt to: command, no other 
> messages deliveries
> are attempted because qrunner sits on message 5 until it times out.
> 
> I have turned the rcpt to timeout down to 2mins, but I am 
> still constantly
> running 1000+ message in the qfiles directory.
> 
> Anyone ideas on speeding things up?
> 
> 
> -- 
> Bob Tanner <tanner at real-time.com>       | Phone : (612)943-8700
> http://www.mn-linux.org                 | Fax   : (612)943-8500
> Key fingerprint =  6C E9 51 4F D5 3E 4C 66 62 A9 10 E5 35 85 39 D9 
> 
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