virtual_mailbox_domains = client.office
virtual_mailbox_base = /var/mail/vhosts
virtual_mailbox_maps = hash:/etc/postfix/vmailbox, ldap:/etc/postfix/ldap-aliases.cf
virtual_minimum_uid = 100
virtual_uid_maps = static:504
virtual_gid_maps = static:506
virtual_alias_maps = hash:/etc/postfix/virtual, ldap:/etc/postfix/ldap-aliases.cf