Email address policies office 365

1. What is an email address policy?
2. How do I create an email policy in Office 365?
3. How do I assign a mailbox policy?

What is an email address policy?

Email address policies define the rules that create email addresses for recipients in your Exchange organization.

How do I create an email policy in Office 365?

Use the New-EmailAddressPolicy cmdlet to create email address policies. In Exchange Online, email address policies are only available for Microsoft 365 Groups. For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax.

How do I assign a mailbox policy?

Use the EAC to change the assignment policy on a mailbox

In the Exchange admin center (EAC), navigate to Recipients > Mailboxes. Select Mailbox Features. In the Role assignment policy list, select the assignment policy you want to assign to the mailbox and then click Save.