Hello,
I have a postfix server accepting emails on port 25 from the Internet, and
delivering to cyrus.
There is another sever running Mail Marshall on Windows, that is used as the
content filter. I have configured postfix master.cf as follows:
smtp inet n - n - - smtpd
-o content_filter=mm:[172.16.0.9]:25
-o receive_override_options=no_address_mappings
mm unix - - - - 10 smtp
-o smtp_send_xforward_command=yes
-o disable_mime_output_conversion=yes
-o disable_dns_lookups=yes
-o smtp_generic_maps=
0.0.0.0:10027 inet 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,reject
-o smtpd_data_restrictions=reject_unauth_pipelining
-o smtpd_end_of_data_restrictions=
-o mynetworks=127.0.0.0/8,172.16.0.0/16
-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
Mail marshall is configured to send emails to port 10027. This works OK.
However, if Mail Marshall detects SPAM, rather than modify the header and send
it on, it responds directly with a 550 error code. Unfortunately, postfix then
notifies the email originator that the message has bounced, generating
backscatter.
Is there anyway I can configure postfix to drop / discard these messages
rather than notify the originator?
Many thanks,
Stuart.
--
Stuart Bailey BSc (hons) CEng CITP MBCS
LinuSoft (Managing Director)
Linux Specialist & Software Developer
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Phone: (0845) 658 3563
Direct: +44 (0)1953 878162
Fax: +44 (0) 1603 858583
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http://www.linusoft.co.uk
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