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Gmail and Yahoo email security updates

Submitted by stauffeg on
  • Strong authentication of email using standards such as DMARC, SPF, and DKIM. 

  • Easy one-click unsubscribe option for commercial email. 

  • Low spam rate and relevant email content. 

If you are still on CU Boulder’s Gmail service and you receive emails sent by bulk senders such as promotions, newsletters, surveys, event invitations, etc., you may see an increase in rejected, delayed, marked spam or archived messages as bulk senders move to comply with the new standards.    

To ensure that you continue to receive important and legitimate emails from these sources, we recommend that you: 

If you have questions or need help with these changes, please contact the IT Service Center at or 303-735-4357.