Change Sendmail Port?

[Kenneth Porter]

--On Friday, September 09, 2005 7:36 PM -0700 Corey Head 
<coreyhead at gmail.com> wrote:

> Umm...I meant I would like to change the port that users send mail
> from...i.e. connect to the  server.  Is that not possible?  I was
> thinking port 587 for sending, but does that mean every server coming
> into my server has to know that?  I am running into the problem with
> roving users that have home ISPs that are blocking port 25 from their
> lines.  So, users have to go in and change their mail servers when they
> get home, then change back when back in the office.  Does that make a
> little more sense?

Users should always use 587. 25 is for server-to-server.

Use "lsof -i | grep sendmail" to see if your server is listening on both 
ports.