telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 localhost ESMTP Exim 4.80 Wed, 08 Jan 2014 18:55:21 +0000 HELO localhost 250 localhost Hello localhost [127.0.0.1] MAIL FROM: and7@mydomain.com 250 OK RCPT TO: and7@mydomain.com 250 Accepted DATA 354 Enter message, ending with "." on a line by itself SUBJECT: Test This is a test message . 250 OK id=1W0yJ1-0000eY-PX But messages aren't delivered. I even tried to set RCPT TO: to my another email adress at gmail.com, still nothing. Messages aren't sent at all.