I tried for 3 days and come up with this error and dont know what to do next ;( please help p.s. I'm trying first time to setup mail server....
solved it was relay network wrong :)
cant get it work I get same error Aug 11 19:32:52 rex postfix/smtpd[5080]: NOQUEUE: reject: RCPT from unknown[87.226.77.6]: 504 5.5.2 <localhost>:...
Separate names with a comma.