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

Jeremy Mates jmates at sial.org
Tue Oct 22 01:04:00 EDT 2002


* 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?

Well, the following in your .mc file for sendmail.cf will limit
incoming connections to one per second and delay any new connections
past the limit:

define(`confCONNECTION_RATE_THROTTLE', `1')

You could also limit the number of sendmail daemons running, or maybe
experiment with different queue groups.

(A rate throttle of 2 and a chatty failing raid controller card still
leads to a large number of email messages sent overnight...)

-- 
Jeremy Mates                                        http://www.sial.org/

OpenPGP: 0x11C3D628  (4357 1D47 FF78 24BB 0FBF 7AA8 A846 9F86 11C3 D628)



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