Gmail strips out insights styling

Prerequisites We need 2 email accounts whose emails are displayed in gmail: One account to send emails using gmail's SMTP service, don't use your personal account (ask the issue's assignee for details if you don't have one you can use for testing) One account to receive emails, a personal account can be used Test Log in as admin Untick 'onlycli' in site admin > analytics > analytics settings Make sure you don't have $CFG->noemailever = true; in your config.php Set a noreplyaddress (e.g. asdasdasdas@example.com ) in site admin  > Server > Email > Outgoing mail configuration Set your SMTP settings in moodle in site admin > server > email > outgoing mail configuration Hosts to smtp.gmail.com:465 Security to SSL Auth type to Login Username to email-#1-described-above@gmail.com (not a personal one) Password to the-gmail-account-password You can test that it works fine using the Test outgoing mail configuration link If it does not work log into gmail using the account you set in the SMTP config, go to https://myaccount.google.com/lesssecureapps and allow less secure apps Set up a course with 1 assignment with due date in +2 days (I did it by creating a XS test course in site admin > development > make test course and updating the due date) Enrol a student xxx on the course and set email #2 as the student's email Go to xxx user profile > preferences > notification preferences and make sure that Insights generated by prediction models is ON Go to site admin > analytics > analytics models Execute Actions > Clear predictions and Actions > Execute scheduled analysis afterwards for the Upcoming activities due model Check that you get an email in your #2 email account and check that it looks more or less like the image below. If you are using development site in localhost (likely to be the case) you will not see the activity type image but Activity event instead, this is fine