000018803 - Microsoft Exchange rejects all digital signatures

Document created by RSA Customer Support Employee on Jun 16, 2016Last modified by RSA Customer Support Employee on Apr 21, 2017
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Article Number000018803
Applies ToSentry CA 3.6
Keon Certificate Authority
Microsoft Exchange Server
TechNote 0184
IssueMicrosoft Exchange rejects all digital signatures
ResolutionMicrosoft Exchange Server requires that Exchange Service Pack 1 (or better)  be installed prior to being able to relay signed messages with S/MIME.  There is a setting in exchange that specifies whether  "clients can handle S/MIME".  Ensure that this setting is enabled.   Refer to the Microsoft documentation or readme files if there are further difficulties with Exchange Server configuration.
Legacy Article IDa3554

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