If you received an email with the subject line "Ward Angles has completed Quiz: Registering for Classes". please just delete the message. The email was inadvertently distributed across campus as a result of a misconfiguration on the Moodle server and is not spam, malware, phishing, or any other nefarious communication.
Moodle staff have corrected the configuration problem, cleared the email queue, and rebooted the server to prevent a recurrence of the incident. They have also contacted Moodle.org to let them know what happened so that other users can take steps to prevent this problem from happening on their campuses.
The Moodle staff apologizes for any inconvenience this may have caused. If you have questions, please contact the Moodle office at x3633.