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Error message when you try to add an external email address to the safe sender list in OWA in an Exchange Server 2010 SP1 environment


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Symptoms

You create a mail-enabled user that has an external email address in a Microsoft Exchange Server 2010 Service Pack 1 (SP1) environment. You try to add the external email address to the safe sender list in Outlook Web Access (OWA). In this situation, you receive the following error message:

This operation fails with the following error Property validation failed. Property = TrustedSendersAndDomains (System.String) Error = "<external e-mail address>" is in your organization and can't be added to Safe Senders and Recipients.

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Cause

This issue occurs because the external email address is treated as an internal email address.

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Resolution

To resolve this issue, install the following update rollup:
2529939 Description of Update Rollup 3 for Exchange Server 2010 Service Pack 1

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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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Keywords: kbqfe, kbfix, kbhotfixrollup, kbexpertiseinter, kbsurveynew, kb

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Article Info
Article ID : 2457688
Revision : 1
Created on : 1/7/2017
Published on : 4/6/2011
Exists online : False
Views : 493