+250 OK
+MAIL FROM:<CALLER@myhost.test.ex>
+250 Sender OK
+RCPT TO:<dest@domain.com>
+250 Recipient OK
+QUIT
+250 OK
+End of script
+Listening on port 1224 ...
+Connection request from [ip4.ip4.ip4.ip4]
+220 ESMTP
+EHLO myhost.test.ex
+250 OK
+MAIL FROM:<CALLER@myhost.test.ex>