Microsoft 365 Reports: Questionable URLs detected in message
A user is unexpectedly getting a lot of email reports from Microsoft Office 365 starting:
# Questionable URLs detected in message:
After this follows the headings of the reported email. These emails look like they were sent by various people within the same organisation, but obviously they were not sent manually.
The issue was caused by the user's mailbox being selected as the reporting mailbox in Microsoft 365 Defender Admin Centre > Settings > Email & Collaboration > User reported settings > Reported message destinations.
Read more: Microsoft 365 Reports: Questionable URLs detected in message
Temporary disable MFA for a single user in Microsoft Office 365
The benefits of MFA (Multi-Factor Authentication) are pretty obvious and this should be enabled everywhere and every time.
However, as an admin, you quite often have to log in as a user in order to troubleshoot yet another issue, and in those cases, MFA can be a right pain in the backside...
Read more: Temporary disable MFA for a single user in Microsoft Office 365
Configure DMARC for Microsoft Office 365 Custom Domains
DMARC (Domain-based Message Authentication, Reporting, and Conformance) works with SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) to authenticate mail senders. This is just one additional tool in the never-ending fight against phishing and spoofing. DMARC also instructs receiving servers on how to proceed when incoming emails fail SPF or DKIM validation.
Before you can enable DMARC for your domain, you first need to have properly configured SPF and DKIM.
Read more: Configure DMARC for Microsoft Office 365 Custom Domains
Restore deleted Microsoft / Office 365 Shared Mailbox
If you delete an Office 365 Shared Mailbox via the Microsoft 365 Admin Center > Users > Deleted Users, it will restore the associated user account in Blocked state with ExRemoved... address, but the Shared Mailbox itself will still be nowhere to be found.
Read more: Restore deleted Microsoft / Office 365 Shared Mailbox
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- Enable US landline dial-in number for Teams Meetings
- Users can't see images on Office 365 SharePoint Intranet site
- Publicly accessible Google API key for Google Cloud Platform...
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- Bitdefender blocked this page - PrivacyThreat.PasswordStealer.HTTP
- Office 365 Compliance Content Search - You can't preview search results...
- Office 365 - The command you tried to run isn't currently allowed in your organization