well I have very strange sendmail behaviour some times it sends 200+ emails/sec and some times down to 30 emails/sec, and can't figure it out what's the issue ! using sendmail for mailing list purpose
-k Quoting Andrew Cowie <[EMAIL PROTECTED]>: > On Thu, 2005-19-05 at 09:45 -0500, kashani wrote: > > > Email throughput is highly dependent on how you're generating the > > emails, RAM, disk I/O, number of emails sitting in your queue, how > > you've ordered your emails, whether bounce handling is local or on > > another server, spam filtering if any, and your server software. Even > > the speed of your DNS server can start to play a part. > > This is all astute commentary. I agree with all of it. Fine tuning an > email system (or any production platform) takes ... finesse. It's not > about "installing this software or that software", but about > understanding the behaviour of your system as a whole, and then tuning > the performance from a position of knowledge, not from one of > assumption. > > > 30/sec puts you a bit above 2.5 million a day which is probably the top > > end of what you might see in the real world. > > Certainly seems a reasonable score. > > I've run 3-5 million emails a day through a platform based on Qmail. > Qmail has architectural bottlenecks on how it processes new messages; > likewise you need to take care to shunt traffic to misbehaving domains > to alternate queues - but making it sing was little to do with Qmail > itself and very much to do with knowing what the group of systems as a > whole were doing and making informed judgements thereon. > > AfC > Sydney > > -- > Andrew Frederick Cowie > > Technology strategy, managing change, establishing procedures, > and executing successful upgrades to mission critical business > infrastructure. > > http://www.operationaldynamics.com/ > > Sydney New York Toronto London > > -- > [email protected] mailing list > > ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. -- [email protected] mailing list
