What ISP are you using. Most do block outbound 25. ATT will unblock if you get the right person on the phone. KY9J -------- Original message -------- From: kb9mwr(a)gmail.com Date: 08/11/2014 8:50 PM (GMT-05:00) To: 44net(a)hamradio.ucsd.edu Subject: Re: [44net] SMTP port 25 (Please trim inclusions from previous messages) _______________________________________________ Actually what I said doesn't make any sense.  I don't understand where the problem is. I'd still like to hear from anyone running a SMTP server on Linux, not NOS. _________________________________________ 44Net mailing list 44Net(a)hamradio.ucsd.edu http://hamradio.ucsd.edu/mailman/listinfo/44net