Instructions for configuring mail transfer via ciphermail

[MSK]

Well, it is all in the net…

This post opened my eyes, got everything working, including amavis content filter

Use CipherMail Appliance as encrypt decrypt gateway with mailserver

You forgot to add a couple of important Postfix settings on the Mailcow server: In main.cf: content_filter = smtp:[172.30.30.231]:25 This tells Postfix on the Mailcow server to forward all incoming email to CipherMail on 172.30.30.231. The CipherMail appliance should allow relaying from the Mailcow IP address (i.e., add 172.30.30.230 to My networks) The CipherMail gateway will receive every email from Mailcow and do it’s thing (encrypt, decrypt etc.). After handling, the email should be sen…