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Exchange Hosting - Require Sender Authentication For A Distribution List or Mailbox.

Prerequisites

Active Exchange services, see Add Hosted Services.

 

Summary

This article details how to require that all senders are authenticated to either a distribution list, or mailbox. 

 


 

Require Sender Authentication for a Mailbox:

1. In a web browser navigate to the ITSolutionsNow services control panel:  https://cp.myhostedsolution.com/



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2. Click on Hosted Organizations.



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3. Click on the organization name.



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4. The organization home page will now be displayed. On the left side of the page the active services will be displayed, under the Exchange section click Mailboxes.



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5. After the Mailboxes section loads locate and click on the mailbox name that requires sender authentication to view its properties.



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6. Click on the Mail Flow Settings tab, then under the Accept Messages From section check Require that all senders are authenticated. Once that box is checked click Save Changes, to finish the configuration.

 


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Require Sender Authentication for a Distribution List:

1. In a web browser navigate to the ITSolutionsNow services control panel:  https://cp.myhostedsolution.com/



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2. Click on Hosted Organizations.



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3. Click on the organization name.



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4. The organization home page will now be displayed. On the left side of the page the active services will be displayed, under the Exchange section click on Distribution Lists.



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5. After the Distribution Lists section loads locate and click on the distribution list name that requires sender authentication to view its properties.



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6. Click on the Mail Flow Settings tab, then under the Accept Messages From section check Require that all senders are authenticated. Once that box is checked click Save Changes, to finish the configuration.

 


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What Is Next?

Autodiscover For Exchange 2010,

Create A Distribution List & Optionally Enable Send As Permissions,

Download Offline Address Book,

Share A Calendar In Outlook 2007 or 2010.
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