[Mimedefang] Re: <semi-OT>sendmail tweaking to 1 email per second

Fox, Randy Randy_Fox at csgsystems.com
Tue Oct 22 10:45:01 EDT 2002


>From: Jeremy Mates [mailto:jmates at sial.org]
>* Douglas J Hunley <doug at hunley.homeip.net> [2002-10-21T20:14-0700]:
>> I recently saw someone say they configured sendmail to only deliver
>> one email per second. they said this helped level the
>> load. unfortunately, I forgot where I saw this. anyone here know the
>> skinny on how to do this and what the caveats are?

>define(`confCONNECTION_RATE_THROTTLE', `1')

You could also look at the DelayLA parameter.  Using this would let the server run full steam until a Load Average limit is achieved and then the 1 second delay between SMTP commands kicks in.  How high to set it will vary by server and actual load, trial and error seems to be the only effective method.

Randy




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