Massive queue buildup

Damian Mendoza damian at
Mon Nov 13 23:45:59 GMT 2006

Run a DNS server locally, add more memory/CPU, use Greylisting, process
mail using sender address verification before SA at the postfix or
sendmail level and use RBLs at the postfix or sendmail level.


That should get your server load down to 2.0 or lower to keep up with
your traffic.




Damian Mendoza

Mission Viejo, CA

949 586-2200




From: mailscanner-bounces at
[mailto:mailscanner-bounces at] On Behalf Of Jay
Sent: Monday, November 13, 2006 2:32 PM
To: mailscanner at
Subject: Massive queue buildup


Built my first Mailscanner / Postfix box on Friday due to a Sendmail
meltdown last week-- was forced to throw this box into production early.


It ran fine over the weekend, but today there's a massive queue buildup
when I run an mqueue-- 10K so far and building.


Any idea where to look to sort out where it's coming from?


It's possible the box itself is overloaded, 2 2.4 ghz procs, with a load
average of around 13.


Any guidance would be greatly appreciated.



Jay Chandler

Network Administrator, Chapman University

714-628-7249 / chandler at

"Bother," said Pooh as he struggled with /etc/, "it never
does quite what I want.  I wish Christopher Robin was here." -- Peter Da
Silva in a.s.r.


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