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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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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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- Infrastructure Platforms and Services
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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.
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Stop using LAN Manager and NTLMv1!
When performing Security checks in customer environments we often find out that LAN Manager or NTLMv1 is still allowed. Most customers don't know that this setting leaves the environment highly vulnerable to attacks targeting their authentication methods.