Performance with postfix

[Martin Hepworth]

http://wiki.mailscanner.info/doku.php#getting_the_best_out_of_spamassassin
and

http://wiki.mailscanner.info/doku.php#optimization_tips

are good places to start

2009/4/2 JC Putter <jcputter at centreweb.co.za>

>  Hi i am busy testing what load my mailscanner box can handle.
>
> i am running an intel 2.4Ghz with 1GB RAM and a normal SATA HDD drive using
> Postfix as MTA all RBL's are in SA al running on Centos 5.2
>
> i am using smtp-source to test sending 2000 messages at once and i not
> getting the results i was hoping for it, after 24 min of running there are
> still 1300 messages in the queue.
>
> is the normal or bad, postfix is a fast mta, i also noticed that
> mailscanner scans messages in batches of 30, and it really takes a long time
> for the 30 messages to be placed back in the queue.
>
> vmstat
> procs -----------memory---------- ---swap-- -----io---- --system--
> -----cpu------
>  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id
> wa st
>  0  0 187204  43488  19036  65140    1    1     7    23   73    7  5  0 94
> 0  0
> again am i asking too much from the hardware or is there something i can do
> to increase performance? '
>
> i am using a caching dns server and added
>
> none /var/spool/MailScanner/incoming            tmpfs    defaults       0 0
>
> in fstab
>
>
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature database 3982 (20090402) __________
>
> The message was checked by ESET NOD32 Antivirus.
>
> http://www.eset.com
>
> --
> This message has been scanned for viruses and
> dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is
> believed to be clean.
>
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-- 
Martin Hepworth
Oxford, UK
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