i have a cisco pix 515e that sits in front of a symantec spam 8240 appliance. we need to nat the ip address of the box to a public ip 67.a.b.c which is done - no problem. what we need to do next is nat the virtual interface that is used for sending mail out to the same public ip. the virtual ip address cant accept mail from the outside.
i am looking for advice configuring this on the firewall.
thanks in advance.