Re: Setting the domain name of outgoing e-mail

[Jan P. Kessler]

May  8 15:50:28 s8 postfix/smtpd[5603]: NOQUEUE: reject: RCPT from
localhost[::1]: 454 4.7.1 <szab...@gmail.com>: Relay access denied;
from=<mailman-boun...@hostlocal.com> to=<szab...@gmail.com>
proto=ESMTP helo=<s8.hostlocal.com>

Seems like the ipv6 loopback address is not part of mynetworks.