Dear all,

I have some experiences on postfix.

Currently i work on isp and we have one outgoing server using
postfix+amavis+clamav+spamassassin on freebsd, running well.

We have plan to migrate our MXs from qpsmtpd+qmail to postfix+amavis and my
problem is i can't find way to implement badmailfromto filtering on postfix.

Please point me how to setup this type filtering on postfix.

About badmailfromto (from qpsmtpd plugins website):
Much like the similar check_badmailfrom, this plugin references both the
FROM: and TO: lines, and if they both are present in the badmailfromto
config file (a tab delimited list of FROM/TO pairs), then the message is
blocked as if the recipient (TO) didn't exist. This is specifically
designed to not give the impression that the sender is blocked (good for
cases of harassment).

Based heavily on check_badmailfrom.

Thank you.

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