I am trying to setup inbound decryption for SMTP (TLS) using the default Decryption Profile.
What destination IP address do I use in the Decryption Policy: public pre-NAT or private post-NAT?
PS: right now I cannot find it anymore but I remember that the firewall is only able to send back an SMTP 541 error in forward decryption mode and not with knbound decryption ...
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