$attachment = $attachname='';
$usetrueaddress = true;
- //directly email forum digests rather than sending them via messaging
+ // Directly email forum digests rather than sending them via messaging, use the
+ // site shortname as 'from name', the noreply address will be used by email_to_user.
$mailresult = email_to_user($userto, $site->shortname, $postsubject, $posttext, $posthtml, $attachment, $attachname, $usetrueaddress, $CFG->forum_replytouser);
if (!$mailresult) {