Mailscanner treats the mails very slowly

[Jeff A. Earickson]

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Do you run DNS on your mailscanner box?  Are DNS lookups slow?
Having local (cached) DNS on the mailscanner box can make a
big difference in thruput.

Jeff Earickson
Colby College

On Thu, 7 Apr 2005, ste baume wrote:

> Date: Thu, 7 Apr 2005 18:28:28 +0200
> From: ste baume <stebaume2004 at YAHOO.FR>
> Reply-To: MailScanner mailing list <MAILSCANNER at JISCMAIL.AC.UK>
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Mailscanner treats the mails very slowly
> 
> Hello all,
>
> Since many days our MailScanner server have a curious
> behavior:
> - Most of the time they work slowly (less than 50
> mails by minute are treated) which causes latency to
> mail delivery (up to 4 hours)
> - Sometimes, they work normaly and they can empty the
> queues.
>
>
> First we suspected an issue between the Mailscanner
> server and the
> Exchange servers. But after many tests all seem to be
> OK on this point.
>
>
> When we disable SpamAssasin from the mailscanner.conf,
> the queues
> decrease quickly, but after hours the queues increase
> again.
> When we disable the Anti-virus from mailscanner.conf,
> we have no improvement.
> When we diable Mailscanner, and use only postfix, we
> have no problem.
>
> Volume : 150 000 messages per day
> Hardware : 1 Pentium Xeon 2.4G, 1.5 MB RAM, 36G SCSI
> HDD
> Software : RHE3, Mailscanner 4.40.11, Postfix 2.2.1,
> SpammAssassin 3.0.2, Kaspersky 5.0
> RBL : Postfix (SpamCop, ORDB, SPAMHAUS); None in
> MailScanner, all in SPAMASSASSIN
> Average Load : Around 6
>
> Is anybody can help us please, we are in dead end ?
>
> Stephane
>
>
>
>
>
>
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