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Hi all, Please correct me if I'm going about this the wrong way. We currently have a 3 system Mail server set up - two machines are the load balanced frontends running Dovecot and Postfix, and the third machine is our NFS. Over the past 4 months or so, I've tweaked and optimized our mail servers, and we receive roughly 3 million emails a day combined through this setup. Sometimes,

Hi gurus, I need a way to do SNAT based on source mac before routing. This is because hosts attached to my gateway can have duplicate IP addresses, and I have to distinguish over them. I tried to use the nat tool that comes with iproute2, but this force to make a mapping only address to address, and I wanted to do it by mark (I also use iptables to do that). For example, I tried to