Gerardo Castillo Alvarado a écrit :
Andreas Onderka escribió:iptables -t nat -A POSTROUTING -p tcp -o <extIF> --sport 25 -j SNAT --to-source <IP2>Don't forget that the SNAT target is for static ip. Otherwise, you should use MASQUERADE if you are on a dynamic IP address.
Irrelevant. MASQUERADE does not allow to specifiy the new source address. It just uses the default interface address. In other words, it would do nothing.