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The Moodle Quickmail block allows you to send email to participants or instructors in your course. Quickmail sends email but does not receive email. Quickmail will send the sends email to that users' RRU email addressaddresses. Email that you send through Quickmail can be responded to as long as you haven't set 'Hide my email address from everyone' in your Moodle preferences (the default is 'Only allow other course members to see my email address', so if you haven't changed this then replies to your emails will work).
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