MT.1076: MOERA SHOULD NOT be used for sent mail
| ID | MT.1076 |
| Severity | Low |
| Suite | Mito |
| Product | Exchange Online |
| Feature | Mailboxes |
| Security area | Email and collaboration protection |
| Resource type | User |
| User impact of fixing | Low |
| Effort to fix | Medium |
| Reads from | Microsoft Graph |
What this checks and how to fix it
Section titled “What this checks and how to fix it”Microsoft Online Exchange Routing Addresses (MOERA) SHOULD NOT be used for sent mail.
Remediation action:
Section titled “Remediation action:”For each listed user principal name, update primary SMTP address to use a registered domain.
If the listed user principal name sends mail from a script or application, you may need to update that configuration as well.
Entra Managed Mail Attributes
Section titled “Entra Managed Mail Attributes”-
Within the Entra Portal, navigate to All users
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Select the user
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Select Edit properties
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Select Contact information
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Update the Email attribute
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Select Save
AD Managed Mail Attributes
Section titled “AD Managed Mail Attributes”Processes can vary depending on use of PowerShell, AD MMCs, or Exchange Management Portal. Update according to your internal processes.
Related links
Section titled “Related links”Mito check. Author: soulemike; contributors: kij, SamErde. Open-source licences.
Open-source licences. CIS Benchmark material © Center for Internet Security, Inc.; CISA SCuBA baselines are public domain (CC0).
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