17 Jun
2015
17 Jun
'15
4:30 a.m.
On Tue, 16 Jun 2015 23:45:25 +0000, you wrote:
Those pieces are all part of the postfix MTA (you haven't indicated your OS, but postfix is the current default on most current linux distributions).
Fedora 20. Soon upgrading to 22.
As I indicated earlier, by default most (current) MTA installs only listen on localhost, not on the external interfaces, so don't accept off-host mail.
Unless I'm mistaken, which it appears that I am, I set Postfix up to receive off-host mail. I'm on the other email list, will carry this over there.