On 05/20/2015 07:39 AM, Mike McKoy wrote: > I'm using CENTOS 6.5 Then you need to update, CentOS 6.6 is the current version and has a number of security / bug fixes that are not in 6.5.
> I need to configure Postfix to send from the > correct IP addresses assigned to each domain. Actually, you probably don't. What makes you think you need to do this? > How easy is it to configure postfix to send using a specific IP address > for each domain I have on the server? Not very easy, but Wietse has already given you perhaps the easiest possible way to do it. > When I > used Exim all I had to do was create a list of IPs for the server to > send as. But als, i'm not using cpanel so I can't use exim. I need to > find a way to do this with postfix. Using cpanel or not has nothing to do with your choice of postfix vs exim and both are available for CentOS 6 via a simple yum command. Not to say that I fault your choice of Postfix over Exim, but your reasoning for this is misguided. Peter