What should be included in a quarterly enterprise email security inspection?

A quarterly enterprise email security inspection should cover authentication protocols, account access controls, and threat monitoring. First, verify SPF, DKIM, and DMARC configurations to prevent domain spoofing and ensure legitimate email delivery. Second, review administrator and user passwords, enforce strong password policies, and check for enabled two-factor authentication where available. Third, audit login logs, sent items, and auto-forwarding rules for unusual IP addresses or unauthorized actions. For 138 Enterprise Email users, these steps align with built-in security features like sender authentication, weak password restrictions, and attack logging. Note that specific implementation details (e.g., DMARC policy stages) may vary based on your domain setup and organizational policies. If your inspection reveals gaps, contact 138 Enterprise Email support for configuration assistance or refer to the official help center for step-by-step guides.
Additionally, ensure that high-risk accounts (e.g., finance, executives, administrators) avoid shared credentials and implement out-of-band verification for sensitive operations like payment changes or credential resets.