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Latest Comments

My organisation would like to be part of the preview (private or public) when I asked Microsoft support representative how to achieve this they responded that only the exchange team can manage this, given the recent security issues that microsoft has had it would be great to see DANE rolled out and ...
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@liamherbert1105 In this scenario, the third-party gateway is responsible for correctly determining authentication and acting on messages. Therefore, this change on our part will only rescue messages that align with DKIM but have hashes that fail to verify due to modifications made by the third part...
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Hi @The_Exchange_Team, how does this change detect a legitimate DKIM body hash failure where the trusted third party modified the email.Assuming a scenario with third party gateway that does not support ARC, will the change now check the Authentication-Results-Original header of the third party serv...
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@bpoindexter , it is usually TLS1.2 not enabled on the server (check these reg keys and run HealthChecker - Microsoft - CSS-Exchange) or network issues for outbound (point 3 in the article). Transport Layer Security (TLS) best practices with the .NET Framework - .NET Framework | Microsoft Docs Windo...
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We are had our Exchange Delegation certificate expire. We had to remove the federation trust and recreate it, but we are getting the error listed in point 3: "An unexpected error occurred on a send" None of the items listed has helped resolve the issue. It isn't particularly urgent since we host no ...
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