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8. Knowledge Base Articles

Emails released or forwarded from Quarantine and retried from Failed emails, fail permanently on Exchange Server
How do I perform a clean re-install of MetaDefender Email Security v4?
How long is the support life cycle for a specific version/release of MetaDefender Email Security v4?
Manually registering MetaDefender Email Security in Exchange server
What is the difference between MetaDefender Email Security 3.X vs 4.X?