Microsoft Exchange Server 2016 PowerShell Cookbook - Fourth Edition

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Updating a recipient filter for an existing dynamic distribution group can be a bit tricky. This is because the recipient filters are automatically updated by Exchange to exclude certain types of resource and system mailboxes. Let's go through the process of creating a new dynamic distribution group, and then we'll modify the recipient filter after the fact so that you can understand how this process works.

First, we'll create a new dynamic distribution group for the Marketing department using a basic filter. Only users with email addresses that contain the word Marketing will be members of this group:

    New-DynamicDistributionGroup -Name Marketing `
    -RecipientContainer contoso.com/Marketing `
    -RecipientFilter {
     EmailAddresses ...