The Email Services category is a resource for information on our company's enterprise email systems, offering insights into management, maintenance, and best practices for organizational communication

Articles (3)

Configuring My Service to Send Email

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.

DMARC-Based Email Authentication and Bulk Sending Policy

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.

SMTP Authentication (SMTP Auth) Retirement in Exchange Online – September 2025

Microsoft will retire Basic Authentication for SMTP Auth in Exchange Online by September 2025, 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.