[Mailman-Users] Return to performance

[Brad Knowles]

At 10:52 PM -0400 2003/07/09, Jon Carnes wrote:

>>  sendmail option seemed to really help. I'm down to 4 to 10 minutes
>>  with most messages at 6.
>
>  It really helps when you move those slow MTA's to the end of the line,
>  they don't block the messages getting out to the quicker ones.

	That is another recommendation common to the papers by Kolstad, 
Chalup, Christensen, myself, etc....

>  Yes. Postfix.  For you that would be a fairly easy change.  RedHat 9
>  comes with an MTA changer that will move you over to Postfix
>  automagically.  I don't know the effect that will have on Mailman, but
>  I've heard from third-hand sources that it works fine (which I find
>  surprising).

	Out-of-the-box, postfix tends to be well-designed for use with 
mailing lists.  With work (and some money), you can configure 
sendmail to outperform even postfix on the same box, but this is not 
trivial.

>  BTW: I looked at the the other fellows recommend web-sites. This one
>  seemed worth the trip, and a good recommendation for reading (though a
>  bit dated). Most of it was general to any Mail server.
>    http://www.jetcafe.org/npc/doc/performance_tuning.pdf

	Nick's got a good paper, but when it comes to mailing lists, 
don't ignore the papers by Kolstad or Chalup.

-- 
Brad Knowles, <brad.knowles at skynet.be>

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
     -Benjamin Franklin, Historical Review of Pennsylvania.

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