You may use the following Microsoft Exchange Management Shell (EMS) cmdlet to enter the product key for Microsoft Exchange Server 2016.

Set-ExchangeServer –identity ‘<server>’ -ProductKey <product key>

The Send Connector in Microsoft Exchange Server 2016 is am object that contains the configuration information for sending email from the Exchange organization. You may use the following commands in the Microsoft Exchange Management Shell (EMS) to configure a send connector for all outbound traffic.

New-SendConnector -name “Default Internet”
-AddressSpaces “*” -DNSRoutingEnabled $true
-SourceTransportServers “Server” -Usage Internet

You may use the following commands in the Microsoft Exchange Management Shell (EMS) to create and configure an email address policy in Microsoft Exchange Server 2016.

New-EmailAddressPolicy -Name PolicyName
-EnabledPrimarySMTPAddressTemplate “SMTP:%g.%[email protected]”
-IncludedRecipients AllRecipients -Priority 1 |
Update-EmailAddressPolicy

You may use the following command in Microsoft Exchange Management Shell (EMS) to associate the default Offline Address Book (OAB) with the mailbox database(s).

Get-MailboxDatabase | Set-MailboxDatabase -OfflineAddressBook “\Default Offline Address Book”