Tidy up use of mtrace from within email_to_user

You will need two users. It helps if you turn maxeditingtime down to 1 minute. Check that the email recipient is subscribed to a particular forum. Check their messaging preferences to make sure that forum post notifications go to email when they are both on and offline. On the messaging preferences page also check what email address their email notifications go to. As another user post in the subscribed forum. Wait for editing time to expire. Run /admin/cron.php Check that the cron output contains something like the below. If you dont see this your editing time probably hasnt elapsed yet. Processing user 6 Sending post 5: test news topic" Check that the cron output contains no errors and that your user receives the email notification.