VMM/{Account,common,maillocation}: Dovecot version (check) fixes.
- Account: fixed versions dependencies.
- maillocation: use the version string, may be uses in a error message.
- common: version_hex() raises a ValueError, instead of returning 0,
if the version string is invalid.
# 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# The SQL query template used to search the databasequery=SELECTmaildirFROMpostfix_maildirWHEREaddress='%s'