I just received a call from my dad who recently moved to Texas and is now setup with AT&T U-Verse. His ISY was working properly in FL sending mail out of smtp.gmail.com (TLS over 587). When he tried to send mail in TX it seemed to be blocked. I then googled and found: http://forums.att.com/t5/Email-Internet ... wEtBEJdXss. If you scroll to the bottom you will see that as of 12/11/2013 AT&T has started blocking non-SSL SMTP connections. I found a few mentions of plans to implement SSL support in the future but that was in 2010.
Has anyone worked around this problem yet?
Thanks,
Jim