On 03/30/2012 08:22 AM, Mike McCarthy wrote: > In /etc/postfix/master.cf uncomment the line that starts #smtps. > > One thing I also do is to listen on an alternate socket way up high, > like 22225, to bypass ISP's that restrict port 25 and 465 to their own > servers. This way I can send mail through my server when I am on a > restricted network like AT&T wireless with my smart phone. Just make a > copy of the standard smtp line, call it smtp-alt, then define smtp-alt > to the port you want in /etc/services. > > Mike Some versions of outlook or outlook express do not handle 5 digit smtp port numbers, so if you have any non-linux mail clients, you might want to stay with a 4 digit port number. Nataraj