On Sun 27 Jul 2014 at 10:03:29 +0100, Jonathan Dowland wrote: > My current best guess is you are attempting to connect to gmail's servers on > port 25 and your ISP has blocked connections to port 25 for any server except > their own, in which case port 587 should work instead. He could check with nc. brian@desktop:~$ nc smtp.gmail.com 25 220 mx.google.com ESMTP 19sm41008233wjz.3 - gsmtp