Bleeping Computer
6.0 — HIGH
Exchange Online outage causes email delays, 'Server busy' errors
Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
A prolonged Exchange Online outage is causing email delays and 'Server busy' errors, affecting users who send and receive emails from external domains. The root cause of the issue remains unknown, with Microsoft investigating anti-spam protections as a contributing factor.
⚙️Technical Details
Affected Systems
Exchange Online
Attack Vectors
External domain email interactions
💥Impact Assessment
Severity: High
Who Is at Risk
Users who send and receive emails from external domains in Exchange Online
🛡️Recommended Actions
1Monitor email accounts for 'Server busy' errors and delays
2Enable two-factor authentication to prevent unauthorized access
3Verify domain configuration and anti-spam settings
📦Affected Products
Exchange Online
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