Exchange 2022 bug
[Sorry for this OT, but that’s a severe worldwide bug]A major bug has hit the Microsoft Exchanges on premise since January 1st 2022, because of using a int32 variable that long exceeds the maximum value of 2,147,483,647 causing the service goes error and blocking the queue mail.A first solution released by the community was to disable the malware filtering service with the following powershell lines:Set-MalwareFilteringServer -Identity <nameserver> -BypassFiltering $trueRestart-Service MSExchangeTransportMicrosoft yesterday released a powershell .ps1 that tricks the service by “unlocking the month of December 2021 to infinite days”, so today would be 34 December 2021.https://techcommunity.microsoft.com/t5/exchange-team-blog/ema