All Mosaic services will be down from: Friday, May 23 @ 5:30pm to Monday, May 26 @ 8 a.m. All students, faculty, staff and applicants will be unable to access Mosaic during these times. Click to read the announcement.
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Is macmail/studentmail.mcmaster.ca not working?

Please note, macmail.mcmaster.ca and studentmail.mcmaster.ca have been decommissioned and are no longer available.

The link to access your McMaster email service has changed. Macmail.mcmaster.ca and studentmail.mcmaster.ca can no longer be used to access your email through your browser.

Please access your McMaster email by logging into https://portal.office.com/

It is recommended that you edit your bookmark or shortcut that you use to access your email for future use.

For Chrome browser:
https://support.google.com/chrome/answer/188842?co=GENIE.Platform3DDesktop&hl=en

For Firefox browser:
https://support.mozilla.org/en-US/kb/bookmarks-firefox

For Microsoft Edge browser:
https://support.microsoft.com/en-us/microsoft-edge/add-a-site-to-my-favoritesin-microsoft-edge-eb40d818-fd1f-cb19-d943-6fcfd1d9a935