Quoting kashani <[EMAIL PROTECTED]>: > khurram bhatti wrote: > > 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 > > > > Ah, this is a very different question from the one you originally asked. > 30 mails/sec over the course of a day is incredibly good performance. > But seeing that over very short intervals especially when sending out > 10k or less emails in not so good. > > I have a general idea of what the problem might be, but you may have to > Google the details yourself. It's my understanding that sendmail does > something similar to this: > http://www.postfix.org/CONNECTION_CACHE_README.html > > And something like this as well. > http://www.postfix.org/TUNING_README.html#rope > > Sorry I'm much more familiar with Postfix and qmail internals than > Sendmail or I'd have given you better links. I'd start looking around at > how Sendmail does it's queuing and tracking which domains you deliver > fastest to and which are slower. Also look at your mail list software's > docs because there are usually specific tuning data for each MTA. Mail > lists are a bit odd because you're sending the same email X times so you > can do things with them that you can't do with other mail. And most of > the weird performance hacks are MTA specific. > > kashani > -- > [email protected] mailing list > > thanx for the links, well where I have major concern is on emails/sec for mailing list purpose as mentioned it sends 200+ emails/min* and then drops to 49 emails/min in next campaign, 1.35 emails/min, this changing behaviour is my big concern here. RAM,CPU,I/O is good.
well facing this problem after new server install! -khurram ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program. -- [email protected] mailing list
