setting mail server dibelakang mikrotik

Kasus yang sama dengan kantor salah satu client…
Ada mail server di belakang mikrotik yang saya jadikan firewall.

Secara logika seperti ini :
1. Di firewall filter forward ->
a. in-interface=WAN dst-address=<ip local mail server> dst port=25 accept
b. src-address=<ip local mailserver> src port=25 dst port=1024-65535 accept
c. src-address=<ip local mailserver> src port=1024-65535 dst port=25 accept

2. firewall nat
a. src nat, src address=<ip local mailserver> to address=<ip publikmu> port=0-65535
b. dst nat dst-port=25 to address=<ip local mailserver> port=25 in-interface=WAN

Rule ini so far berjalan dengan baik di clientku.

semoga bisa membantu.

Budayakan “terima kasih” untuk setiap clue yang diberikan.
Good luck bro.

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