Basicamente, você deseja uma política de endereço de e-mail filtrada neste momento.
Use the EAC to replace the existing primary email address for a filtered set of recipients To create additional email addresses that will be used as the primary email address for a filtered set of recipients, follow these steps. In the EAC, navigate to Mail flow > Email address policies, and then click Add Add Icon. On the Email Address Policy page, complete the following fields: Policy name
Enter a unique, descriptive name. Email address format Click Add Add Icon. On the Email Address Format page that appears, make the following selections: Select an accepted domain Click the drop-down list, and select the new authoritative domain. Email address format
Select the appropriate email address format for your organization. Select Make this format the reply email address. When you are finished, click Save. Run this policy in this sequence with other policies Typically, policies that apply to specific users should have a higher priority (indicated by a lower integer value) than other email address policies, including the default policy. Specify the types of recipients this email address will apply to Select the recipient types to which you want the email address policy applied. Create rules to further define the recipients that this email address policy applies to Click Add a rule to restrict the recipients that this policy will apply to. This creates a Boolean And statement. Repeat this step as many times as necessary. CautionCaution: If you apply too many rules, it’s possible to restrict the email address policy to the point that it doesn’t contain any users. Click Preview recipients the policy applies to to view the recipients that policy will apply to. Click Save to save your changes and create the policy. You’ll get a warning that the email address policy won’t be applied until you update it. After it’s created, select it, and then, in the details pane, click Apply.