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Sender's DKIM signature is broken in an Exchange Server 2013 environment

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Cause

This issue occurs because Microsoft Exchange changes the headers of a message, and this breaks the DomainKeys Identified Mail (DKIM) signature.

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Resolution

To resolve this issue, install the following cumulative update:

2961810 Cumulative Update 6 for Exchange Server 2013

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More Information

For more information about the DKIM signature that is defined in RFC 6376, go to the following website:

General information about the DKIM signatures

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Applies to:

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseadvanced, kb

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Article Info

Article ID	:	2993556
Revision	:	1
Created on	:	1/7/2017
Published on	:	9/17/2014
Exists online	:	False
Views	:	383