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[
{ type: install
message: <<EOM
#
# To configure Postfix
#
Add to your postfix master.cf:
tumgreyspf unix - n n - - spawn
user=%%TUMGREYSPF_USER%% argv=%%PYTHON_CMD%% %%PREFIX%%/bin/tumgreyspf
Next, main.cf must be configured so that "smtpd_sender_restrictions"
includes a call to the tumgreyspf policy filter. If you already have
a "smtpd_sender_restrictions" line(s), you can add the following line
anywhere after the line which reads "reject_unauth_destination".
check_policy_service unix:private/tumgreyspf
WARNING: It's very important that you have
"reject_unauth_destination" before the "check_policy_service". If
you do not, your system may be an open relay.
So, for example, a minimal "smtpd_sender_restrictions" may look like:
smtpd_sender_restrictions = reject_unauth_destination,
check_policy_service unix:private/tumgreyspf
You will also need to have a line in the main.cf which reads:
tumgreyspf_time_limit = 3600
Please consult the postfix documentation for more information on
these and other settings you may wish to have in the
"smtpd_recipient_restrictions" configuration.
EOM
}
]
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