postfix mail_filtering part-1

#=main.cf
content_filter = scan:localhost:10025
receive_override_options = no_address_mappings

#=master.cf
# ===============ting test add-in
scan unix - - n - 10 smtp
-o smtp_send_xforward_command=yes
-o disable_mime_output_conversion=yes
-o smtp_generic_maps=
#-o smtp_data_done_timeout=1200

#localhost:10025 inet n n n - 1 spawn
# user=filter argv=/usr/local/bin/kb2/1lo localhost 10026

localhost:10026 inet n - n - 1 smtpd
-o content_filter=
-o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
-o smtpd_helo_restrictions=
-o smtpd_client_restrictions=
-o smtpd_sender_restrictions=
-o smtpd_recipient_restrictions=permit_mynetworks,reject
-o mynetworks=127.0.0.0/8
-o smtpd_authorized_xforward_hosts=127.0.0.0/8
# ============================End Ting Add-in

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