Note: This documentation is for Moodle 2.7. For up-to-date documentation see error/auth/auth emailnoemail.

error/auth/auth emailnoemail

From MoodleDocs

Your moodle configuration is currently not able to send email. This is likely due to problems with your SMTP settings in the configuration file of your site. Please tell the administrator of your system to reconfigure this file, and try again.