[CentOS] SMTP Port 465 - Postfix

Fri Mar 30 18:48:58 UTC 2012
Nataraj <incoming-centos at rjl.com>

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.