Why do emails get trapped in Microsoft and Google quarantines?
Built-in platform security holds messages before third-party security tools can evaluate them, causing administrative overhead and user friction. This creates constant bottlenecks where end users repeatedly request the release of legitimate emails trapped in the system.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Reviewing and releasing or denying messages manually in the default platform quarantine
- 2Configuring third-party settings to surface defender quarantine emails alongside default ones
- 3relying on native built-in email protection
- 4running a proof of concept with multiple vendors in detect-only mode
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
r/sysadmin1 person · September 2026
“At the moment, we rely on Gmail’s built-in email protection, and managing messages through Google’s quarantine has been frustrating.”source ↗
Adsary · r/sysadmin · 2 upvotes
r/msp1 person · September 2026
Where this came up
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