Re: [AMaViS-user] Postfix+Amavisd+Spamassassin+Clamav low performance on 14-host deployment

Stephen wrote:

>>>> Ralf Hildebrandt <Ralf.Hildebrandt@charite.de> 09/02/05 3:44 PM >>>
>>Make sure that the smtpd's which get the mail back from amavisd are
>>configured like this:
>>
>>localhost:10026
>> inet n - - - - smtpd
>> -o smtpd_authorized_xforward_hosts=127.0.0.0/8
>> -o smtpd_client_restrictions=
>> -o smtpd_helo_restrictions=
>> -o smtpd_sender_restrictions=
>> -o smtpd_recipient_restrictions=permit_mynetworks,rej ect
>> -o mynetworks=127.0.0.0/8
>> -o >receive_override_options=no_unknown_recipient_che cks,no_header_body_checks
>> -o content_filter=
>>
>>thus preventing unneeded lookups!
>>
>>--
>>Ralf Hildebrandt (i.A. des IT-Zentrums) Ralf.Hildebrandt@charite.de
>>Charite - Universitätsmedizin Berlin Tel. +49 (0)30-450 570-155
>>Gemeinsame Einrichtung von FU- und HU-Berlin Fax. +49 (0)30-450 570-962
>>IT-Zentrum Standort CBF send no mail to spamtrap@charite.de

> I asked previously on the list if re-injection back into postfix would cause
> postfix to re-check the e-mail based on smtpd settings configured in
> main.cf file and I was told it would not.

> Following this I turned on debugging in postfix, ran an e-mail through and
> it appeared it was only checked once, on it's way in on port 25, and not
> when it was re-injected from amavisd-new.

> Although myself and the person who advised this may be wrong, it may be
> worth testing by turning on debugging in postfix to confirm, as it may
> end up being an unnecessary change.

> Just a thought... no disrepect to Ralf's comments.
> SteveC

I think it is more common to use the setup listed in
http://www.ijs.si/software/amavisd/README.postfix.txt

127.0.0.1:10025 inet n - n - - smtpd
-o content_filter=
-o local_recipient_maps=
-o relay_recipient_maps=
-o smtpd_restriction_classes=
-o smtpd_delay_reject=no
-o smtpd_client_restrictions=permit_mynetworks,reject
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,rej ect
-o mynetworks_style=host
-o mynetworks=127.0.0.0/8
-o strict_rfc821_envelopes=yes
-o smtpd_client_connection_count_limit=0
-o smtpd_client_connection_rate_limit=0
-o receive_override_options=no_header_body_checks,no_ unknown_recipient_checks

I am curious how SpamAssassin is called, I don't see any SA related
timings in the TIMING examples. I think if you added more RAM, you
could increase the number of processes, and concurrently, the size of
the ramdrive.

Gary V



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