I have a mail server I just set up on the DMZ. Main network is setup as 192.168.0.1 DMZ is 10.0.0.1. I do have a Masquerading rule for
"Internal (Network) - DMZ" I also set up "Not sure if needed"
"DMZ (Network) - External (WAN)"
I do have a somewhat unique situation as I get my mail from DYNDNS since I do not have a static IP. So my
SNAT = SNAT Mail Server
Traffic selector: External (WAN) (Address) → SMTP → DYNDNS - Incoming
Source translation: SMTP - 2525
Automatic Firewall rule:
DNAT = DNAT Mail Server
Traffic selector: DYNDNS - Incoming → SMTP - 2525 → External (WAN) (Address)
Destination translation: SMTP
Automatic Firewall rule:
Firewall rule is = Internal (Network) - Any - SMTP - 2525
Thanks to any and all who may try to help.
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