Please follow the steps below in order to stop receiving watch setting emails from the Line 6 Communities.
1. Click this link:http://line6.com/community/user-preferences!input.jspa
2. Inside the prefernces settings, turn off all watch settings or customize them the way you want. Save your settings.
3. Exit out of your preferences panel and click on your "Email Notifications" tab. Do filtered searches and delete anything that is populated and/or customize it the way you want.
That should do it!