Access My Email

Columbia University Email

CUIT provides email service to the Columbia University community of students, faculty, and staff. The service includes automatic backups of mail stored on our servers, support for secure protocols for sending and retrieving mail, and extensive spam-filtering.

CUIMC students, faculty, and staff use the CUIMC email system. CUIMC affiliates do not use LionMail.

CUIT has two email systems:

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Read about LionMail, powered by Google

All Columbia University Morningside students, faculty and staff have LionMail

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Read about Microsoft 365 products, apps, and services

Microsoft 365 email system used mainly by Columbia's central administrative staff

LionMail Resources

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Getting Started
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Mobile/Tablet Setup
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Email Client Setup
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FAQ
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LionMail Drive
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LionMail Calendar
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LionMail Accessibility
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G Suite Learning Center
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LionMail Quota Limits

Microsoft 365 Exchange Resources

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Guides
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Mobile/Tablet Setup
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Email Client Setup
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FAQ

Other Related Resources

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Email Aliases
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Email for Alumni
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Spam and Phishing Filtering
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Email Forwarding
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Mailing Lists
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Google Apps for LionMail
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G Suite Status Dashboard
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CUIT's Email and Calendaring Service
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Manage My UNI
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SMTP Servers
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Front App