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- Modern Authentication
Information on Dartmouth's move to Modern authentication for email
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On August 12th, 2025 api-lookup.dartmouth.edu will begin requiring JWT authentication.
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Microsoft will retire Basic Authentication for SMTP Auth in Exchange Online, requiring all email-sending applications, devices, and legacy email clients to transition to Modern Authentication (OAuth). This change enhances security, reduces phishing risks, and aligns with Dartmouth’s security strategy. Application administrators and users must take action to update configurations before the deadline.
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Dartmouth College now requires multi-factor authentication (MFA) for all users accessing the Microsoft 365 Admin Center to enhance security. Users must configure MFA on CyberArk-managed accounts using an approved authenticator like Duo Security. Access will be blocked until MFA setup is complete.
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Our organization's email security policy mandates the use of DMARC, complemented by either SPF or DKIM compliance for bulk email services. To address SPF's limitations, dedicated subdomains are utilized for enhanced email management. This approach upholds secure and dependable email communication within our organization.
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This KBA discusses email options for Linux users accessing our Microsoft 365 mailboxes.
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- DartFS
DartFS mount from Tuck-domain Windows systems require explicit authentication to the KIEWIT domain.
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- Email Services
Learn how to configure applications and devices for email sending at Dartmouth. Basic Authentication for SMTP ends in September 2025—all setups must switch to OAuth. IP relay requests require security approval, and misuse may result in suspension.