.
Use the Exchange Admin Center directly
Since you have Exchange Admin rights, do this instead:
Open:
https://admin.exchange.microsoft.comGo to:
Recipients → MailboxesSelect Test Name (
name@test.com).Click:
Mail flow settingsChoose:
Email forwardingTurn forwarding ON.
Enter:
admin@test.comIMPORTANT: Uncheck:
Deliver message to both forwarding address and mailboxThis ensures:
✅ Admin receives the email.
❌ User no longer receives a copy.
Click Save.