virtual_mailbox_base = /srv/mail
virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domain_maps.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_alias_maps.cf
virtual_uid_maps = static:1008
virtual_gid_maps = static:1008