Re: [gentoo-server] sendmail

[khurram bhatti]

Quoting kashani <kashani-list@××××××××.net>:

> 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
> --
> gentoo-server@g.o 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

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