2014-12-10

http://stackoverflow.com/questions/17351634/unrouteable-address-with-exim4

hostname -i 127.0.0.1 Is that correct? –  Kaah Jun 28 '13 at 14:39
Nope. 127.0.0.1 is a localhost loop IP. You can't send mail using this IP. Your hostname must be resolvable. It should point to a public IP. Thats what meant by fully qualified domain name. –  Leo Prince Jul 17 '13 at 1:52