Charles Marcus: > Can I set up DNS (and MX records) for several different domains to point > to the same postfix instance/host/IP address and reference that same > postfix instance/host/IP by different DNS host names (smtp.example1.com, > smtp.example2.com, etc), and have everything just work?
Not unless you also list smtp.example1.com in $mydestination,
otherwise mail will loop.
You could also keep it simple and list the real hostname in the MX
records.
Wietse
