Hi, I have a PIX 515E and a Windows SMTP Server in a DMZ, and I need send to some customers encrypted emails using TLS. I read in a Cisco documentation that I need enable it if use inspect esmtp:
policy-map type inspect esmtp esmtp_tls_enable
inspect esmtp esmtp_tls_enable
Now, when I do it, TLS work fine and I can send encrypted email but for unknown reason I can't send o receive non encrypted emails from other customers.
We can help me with this issue?