postfix error - liamlamth/blog GitHub Wiki

• solution: myhostname should not be the same as other parameter, such as relay_domain, transport_map

maildm.example.local #554 5.7.1 <[email protected]>: Relay access denied

• solution: /etc/postfix/main.cf >> relayhost entry is corrupted, remove the corrupted character e.g. ^M