Postfix still believes it is the mail server for your domain. So, find why that is and change it. /etc/mailname (this is a dumb misfeature of Debian/Ubuntu, but you picked an OS, so you’ve gotta live by its rules), maybe?
Postfix still believes it is the mail server for your domain. So, find why that is and change it. /etc/mailname (this is a dumb misfeature of Debian/Ubuntu, but you picked an OS, so you’ve gotta live by its rules), maybe?