Help screen messaging my settings
From Joomla! Documentation
Click the My Settings button to open the Messaging Settings window which lets you configure this component for the currently logged in user.
Buttons Common to All Tabs
- Save & Close. Saves the messaging options and closes the current screen.
- Cancel/Close. Closes the current screen and returns to the previous screen without saving any modifications you may have made.
- Lock Inbox. Lock the currently logged in users private message inbox. They won't be able to be sent private messages.
- Email New Messages. Emails the currently logged in user on the email address given in the user component when a new Private Message Arrives.
- Auto-purge Messages (days). Automatically purge the users messages after a given number of days. By default this is set to 7 days.