I was linked to this bug, not sure if it's the same. The error message said that etc/mailname could not be located.
What fixed it for me was changing etc/mailname to $mydomain in /etc/postfix/main.cf. So
sudo gedit /etc/postfix/main.cf
myorigin = $mydomain
I was linked to this bug, not sure if it's the same. The error message said that etc/mailname could not be located.
What fixed it for me was changing etc/mailname to $mydomain in /etc/postfix/ main.cf. So
sudo gedit /etc/postfix/ main.cf
myorigin = $mydomain