James R. Marcus: > I have two applications that run on windows that return this error > when I try to use my postfix relay to send mail. > > An error occurred while trying to send the test email. 504 5.5.2 > : Helo command rejected: need fully-qualified hostname > > I have added the IPs to mynetworks, but Postfix is requiring a > FQDN before allowing the server to relay.
Put "permit_mynetworks" before "reject_non_fqdn_mumble".
Wietse
