• Before an SMTP address domain can be used in an e-mail address policy, you must configure an accepted domain. For information about configuring accepted domains, see Understanding Accepted Domains.
  
  
• To use the RecipientFilter parameter to create a custom filter, you must specify a string for the filter. The Shell uses OPath for the filtering syntax. OPath is a querying language designed to query object data sources. For more information about the OPath filtering syntax, see Creating Filters in Recipient Commands.
  
  

  Important:
  If you use a recipient filter to create or edit an e-mail address policy, you can't use the EMC to edit the e-mail address policy. You must use the Set-EmailAddressPolicy cmdlet in the Shell. For detailed syntax and parameter information, see Set-EmailAddressPolicy.

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "E-mail address policies" entry in the Mailbox Permissions topic.

Note:
You can't use the EMC to create an e-mail address policy by using recipient filters.

To create an e-mail address policy by using recipient filters, use the following syntax.

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New-EmailAddressPolicy -Name <String> -RecipientFilter <String>

This example creates an e-mail address policy that applies to all executives and for which the local part of the e-mail address consists of the first two letters of their first name and their entire last name.

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New-EmailAddressPolicy -Name 'Execs' -EnabledEmailAddressTemplates 'SMTP:%2g%s@contoso.com' -RecipientFilter {((RecipientType -eq 'UserMailbox') -and (Title -like 'executive'))}

For detailed syntax and parameter information, see New-EmailAddressPolicy.