VMM/EmailAddress: reworked once more.
- moved EmailAddress.__chkLocalpart() -> __module__.check_localpart()
- renamed EmailAddress.__chkAddress() -> EmailAddress._chk_address()
- attributes domainname and localpart are no longer protected
- added missing doc strings.
# All parameters are described in pgsql_table(5) / PGSQL PARAMETERS## The hosts that Postfix will try to connect to and query from.hosts=localhost# The user name and password to log into the pgsql server.user=postfixpassword=some_password# The database name on the servers.dbname=mailsys# XXX see create_optional_types_and_functions.pgsql# * line 9: type sender_login# * line 26: function postfix_smtpd_sender_login_map + comment above## The SQL query template used to search the database#query = SELECT login FROM postfix_smtpd_sender_login_map('%u', '%d')