Szépe Viktor writes:


Good morning!

Is there a way to block mail based on:

1. reverse DNS hostname (PTR record) of the sender IP
2. From: address
3. Envelop Sender (MAIL FROM:)

in Courier-MTA itself?

You can use the smtpaccess file to block selected IP addresses.

You can use the bofh file to block selected envelope senders.

You'll have to write a custom filter to block based on the From: address.

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