postfix: sasl, From rewrite

manifests/postfix.pp

@@ -35,7 +35,7 @@ class ubuntu_server::postfix($root_emails,$relayhost='mailer.gwdg.de',$generic_m
             line    => 'smtp_generic_maps = hash:/etc/postfix/generic_maps regexp:/etc/postfix/generic_maps_regexp',
             match   => '^smtp_generic_maps',
             require => [ Package['mailutils'], Package['postfix'] ],
-        } ~> Exec['generic-maps-refresh']
+        } ~> [ Exec['generic-maps-refresh'], Exec['generic-maps-regexp-refresh'] ]
     } elsif $main_cf != '' {
         file{'/etc/postfix/main.cf':
             ensure  => present,