Error: <user cn> doesn't have an SMTP address that matches the target delivery domain 'domain.local' when trying to perform a Native Move (4269744)

In instances where the Organization's UPN suffix differs from the SMTP suffix, you must specify the SMTP suffix when setting up the Native Move domain pair.

1. On the Exchange Data tab, expand Synchronization Jobs if needed.
2. Expand Mailbox Synchronization, if needed.
3. Right-click the Mail domain Pair and select Properties.
4. Click on Default Collection Options.
5. Input the correct SMTP domain suffix in the line 'Default domain part for target email addresses:'
6. Click OK.

Note: Disable any Collections where this error was received. The, re-enable to Collection(s) to ensure the proper SMTP suffix is set.