Chad Vogelsong on 10 Apr 2007 12:15:59 -0000 |
Marc, Can't you just SSH or VPN into the server that you are hosting their e-mail on? If they have a business level internet package, port 25 should no be blocked. Talk to their ISP about that. If they have a consumer level package, tough luck. It would be trivial to create an iptables forward rule to forward mailserver:2525 to mailserver:25. Make the rule on the router/firewall something like this: iptables -A FORWARD -i eth0 -p tcp --sport 2525 --dport 25 -d mailserver_IP -j ACCEPTAssuming that eth0 is the router/fw external interface. YMMV. Chad
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