Lee wrote:
> I am using postfix as my mta. It is accepting messages on both ports 25 and
> 4025. The reason we are doing this is that we have a barracuda device that
> forwards mail to this box on port 25 after it has scanned the messages for
> both spam and viruses. However, we have laptops in the field that have their
> clients set to use port 4025 for outgoing smtp. The reason we do that is so
> we can set their clients to smtp authenticate because the barracuda device
> will not authenticate as of yet. I need amavis and clamav running on this
> server for the 4025 people so that they don't spread a virus thru our
> server. Since all incoming mail from the outside world goes thru the
> barracuda device, there is no need to rescan the messages being forwarded by
> the barracuda device to the mta on port 25. So I was wondering if there is a
> way that I can configure this to only scan when messages arrive thru port
> 4025?
If I'm thinking correctly, in master.cf it could be something like this:
4025 inet n - - - - smtpd
-o content_filter=smtp-amavis:[127.0.0.1]:10024
<snip>
smtp-amavis unix - - - - 2 smtp
-o smtp_data_done_timeout=1200
-o smtp_send_xforward_command=yes
-o disable_dns_lookups=yes
#
127.0.0.1:10025 inet n - - - - smtpd
-o content_filter=
-o local_recipient_maps=
-o relay_recipient_maps=
-o smtpd_restriction_classes=
-o smtpd_helo_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o mynetworks=127.0.0.0/8
-o strict_rfc821_envelopes=yes
-o smtpd_error_sleep_time=0
-o smtpd_soft_error_limit=1001
-o smtpd_hard_error_limit=1000
-o receive_override_options=no_header_body_checks
<snip>
Comments from the Postfix experts?
Gary V
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