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 ...
@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...
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...
@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...
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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