Issue:
We have received Non Delivery Messages with ErrorCode=2
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Please Check Your Mail Enabled Domains:
Crossware Mail Signature Services will only accept Mail enabled DomainsTo check which domains are mail enabled go to "Deployment Status" > click on "WAAD Status Details"
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You can use graph explorer - https://graphexplorer.azurewebsites.net/ - to verify the Domains configured within your Tenant.
You will need Admin Access to your Tenant to run this query.
Below are the steps.
1. Goto: https://graphexplorer.azurewebsites.net/ - then sign in with your M365 Tenant
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After logging in:
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2. Copy and paste the below query (see below):
See example below: https://graph.windows.net/myorganization/tenantDetails
Select "api-version=1.5"
3. Click "GO", please see below as an example of the output
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4. As you scroll down you should be able to see a section called "verifiedDomains".
5. Check the configured Domain within your Tenant and make sure that in the "capabilities" list "Email" is present.
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If this domain does not include Email in the "capabilities" list you will need to update as follows:-
Open "0365 Admin" > Select "Domains" > select Domain you wish to update > Select change domain purpose.
Follow the Microsoft instructions to validate this domain.
To ensure this new domain has been updated edit a signature in Crossware (Microsoft will update the domains list for Crossware to use).