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I receive a lot of messages on postfix (80 domains) where sender address is the same as recipient address. these message contain phishing or ask for money pretending to have hacked account.
I would like to filter all messages were sender is the same as recipient at the postfix level, so it can be rejected.
I guess this question should go to superserver. – dominix – 2019-03-06T22:45:07.197