So I have a mail server setup on my Amazon EC2 Debian instance and it's been fine for months however recently I received this response from a customer: <firstname.lastname@example.org>: host ...
Update: It's definitely my ISP blocking port 25. I told Exim to listen on a non-standard port, and then checked from a remote computer to that port, and it went through just fine. So, I guess I have ...
I am in the process of setting up a mail server (using sendmail to be exact). The server needs to be as open towards receiving notifications of "bad"/bouncing emails as entirely possible. I am not ...
We have exim4 set up on Debian as a smarthost to send mail via Google's mail servers. We use Google Apps for everything else, so this made sense. Problem is, the password for the smart host account ...