* Rich Wales <ri...@richw.org>:
> I'm using Postfix 2.6.5, with AMaViSd-new 2.6.4 as an after-queue
> content filter. Messages scoring above 5 are being quarantined for
> later examination using MailZu.
>
> I would like to reconfigure my setup to use AMaViS as a before-queue
> content filter -- rejecting messages scoring above 25 (or maybe 30),
> accepting (and quarantining) messages scoring between 5 and 25 (or
> 30), and delivering mail scoring below 5.
>
> How do I do this?
>
> I understand the "cons" about increased load on my mail server if I
> adopt before-queue filter mode, and I'm prepared to deal with this.
Change $final_spam_destiny in amavisd confguration to:
$final_spam_destiny = D_REJECT;
Tune these to suit your needs:
$sa_tag_level_deflt = 0.0; # add spam info headers if at, or above that level
$sa_tag2_level_deflt = 6.31; # add 'spam detected' headers at that level
$sa_kill_level_deflt = 6.31; # triggers spam evasive actions
Add this in /etc/postfix/master.cf:
# ==========================================================================
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (yes) (never) (100)
# ==========================================================================
#
# Handle incoming message and hand it down to amavisd-new
#
smtp inet n - n - 16 smtpd
-o smtpd_proxy_filter=127.0.0.1:10024
-o smtpd_client_connection_count_limit=10
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
-o smtpd_authorized_xclient_hosts=127.0.0.0/8
...
#
# Reinject message from amavisd-new to Postfix
#
127.0.0.1:10025 inet n - n - - smtpd
-o content_filter=
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
-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,reject
-o smtpd_data_restrictions=reject_unauth_pipelining
-o smtpd_end_of_data_restrictions=
-o smtpd_restriction_classes=
-o mynetworks=127.0.0.0/8
-o smtpd_error_sleep_time=0
-o smtpd_soft_error_limit=1001
-o smtpd_hard_error_limit=1000
-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
-o local_header_rewrite_clients=
Then drop the content_filter-setting in main.cf.
Reload amavisd-new.
Reload Postfix.
p...@rick
--
All technical questions asked privately will be automatically answered on the
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justified.
saslfinger (debugging SMTP AUTH):
<http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>
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