Process - Checking for Blocked Email Addresses/Domains
Checking if an email has been blocked.
At the moment, there is a repository of blocked email addresses and email domains being built out. This KB will be updated when this is complete.
If the email address has been blocked please escalate to Cyber Security so that we can assess the risk of unblocking the email address.
To manually check for blocked email addresses; please follow the instructions below.
1. Go to admin.exchange.microsoft.com
2. Go to Mail Flow -> Rules
3. Click either from the following Rules:
a. BLOCK Domain List
b. BLOCK Domain List – 2
c. BLOCK individual email address list
4. Click on “Edit rule conditions”
5. Click on the Pencil icon
6. It will then show you either the Domains or individual email addresses that have been blocked. You will need to scroll and manually search for the email address.
a. Domains
b. Individual email addresses