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We have Exchange online with Office 365. I am trying to set up a dynamic distribution list of external mail contacts if their address contains a certain email domain. I have tried the powershell script below (as well as the WindowsEmailAddress and EmailAddresses attributes instead of External) but can not get it to work. Anyone know how I could accomplish this? With Exchange Online, it has to be done in Powershell.

Set-DynamicDistributionGroup -Identity "Test Group" -RecipientFilter {((RecipientType -eq 'MailContact') -and -(ExternalEmailAddress -like '@example.com'))}

From what I can tell, the email address filter doesn't seem to be working. The domain is definitely correct. Is there an attribute that can check email addresses for Mail Contacts?

BastianW
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SausageBuscuit
  • 165

1 Answers1

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I have resorted to using the Company attribute and doing this: 

Set-DynamicDistributionGroup -Identity "Test Group" -RecipientFilter     
{((RecipientType -eq 'MailContact') -and (Company -eq 'Example'))}.

Will be one extra step per person but since that other filter has been so much trouble I'm fine with it.

SausageBuscuit
  • 165