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Undergrad Email

Every registered undergraduate student is eligible to get a McMaster StudentMail email account powered by Google with 25GB of space. Your email account must be enabled in Mosaic before it can be used.


See See Student Services for more informataion and full instructions.













Service Bulletins

  • MAC ID Password Expiry

    Beginning in May 2016, MAC ID passwords at McMaster expire annually. Learn more at

Service Desk

Client Self Service:
Hours: Monday - Friday
8:30 am - 4:30 pm
Phone: 905-525-9140 x24357 (2HELP)
Location: Main Campus BSB Rm. 245
Service Catalogue:

Great Idea Site

Great Idea