Hey Rocky,
Sounds a good solution, but i've a problem that doesn't allows me to use that.
SpamSnake is just the gateway machine that filter and clean the email at the "front door" and the back Mailserver ( the main one ) is where users have theirs mailboxes and is where users connect to send (SMTP Authentication)/receive email.
Due this, i could do as you suggested and redirect the traffic accordingly, but the problem is that i've external users that need to connect to the back main mail server, not only the foreign MTAs that deliver mail to mu domain.
I fwded de port 25 in my router to test and its ok, but i don't know solve the problem of external people send emails normally.
Any sugestions?
Br,
Teixeira
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