Or how to configure postfix to use  alias_domain table found in postfixadmin schema Follow the closest howto (lacks domain aliases description) to setup the latest version of postfiadmin and make it work with your postfix. Then add two other maps so it will look something like: virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf, mysql:/etc/postfix/mysql_virtual_alias_alias_maps.cf virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf, mysql:/etc/postfix/mysql_virtual_mailbox_alias_maps.cf you Read More →