I'm trying to block whole countries based on their host name dns resolution. Example: for Turkey: *.tr.
To clarify, the host name is derived from a dns resolution, not from message headers.
in main.cf I have:
smtpd_client_restrictions = reject_unknown_reverse_client_hostname
tr reject Turkey
It does not work. I tried to put a dot (.) in front of tr but postfix still allowing. Using EFA 188.8.131.52.
Any idea what's wrong?
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