Microsoft Exchange year 2022 bug in FIP-FS breaks email delivery

Microsoft Exchange Y2K22 bug

According to numerous reports from Microsoft Exchange admins worldwide, a bug in the FIP-FS engine is blocking email delivery with on-premise servers starting at midnight on January 1st, 2022.

FIX THIS FOR Exchange 2013/2016/2019

Set-MalwareFilteringServer -Identity YOUREMAILSERVERNAME -BypassFiltering $true

Restart-Service MSExchangeTransport


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