Message Routing Removed Users - Apr 2023

Known Issue

Date Logged	April 4th, 2023
Product(s)	Mimecast Administration Console
Status	Not Fixing

Issue

In some circumstances, when domains are set to Known Recipients Only, an email will be accepted for users who have been removed from the Internal Directory. 

This is a known limitation not on the Mimecast Product Team Roadmap to resolve.

Workaround

Follow these steps to allow Mimecast Engineering to resolve this issue for you:

1. Please raise a new support case.
2. Area - Case Reason: Email Security Cloud Gateway.
3. Topic:  Message Tracking.
4. Type: I need technical support regarding a product:
5. In the Description field, please describe the symptom, list your domain and user(s), and reference Known Issue ID PKI0113.

See Also…

• Mimecast Customer Care - Raising a Case
• Email Security Cloud Gateway - Deleting Users from Mimecast
• Email Security Cloud Gateway - Recipient Validation - Technical Concepts
• Email Security Cloud Gateway - Recipient Validation - Management