Fixed send copy bug in mail module.

Author: tbrehm

server/plugins-available/maildrop_plugin.inc.php

@@ -60,7 +60,7 @@ function onLoad() {
 		Register for the events
 		*/
 
-		$app->plugins->registerEvent('mail_user_update','maildrop_plugin','insert');
+		$app->plugins->registerEvent('mail_user_insert','maildrop_plugin','update');
 		$app->plugins->registerEvent('mail_user_update','maildrop_plugin','update');
 		$app->plugins->registerEvent('mail_user_delete','maildrop_plugin','delete');