Reporting-MTA: dns;BLAPR09MB6738.namprd09.prod.outlook.com
Received-From-MTA: dns;PH0PR09MB8684.namprd09.prod.outlook.com
Arrival-Date: Fri, 31 Jan 2025 19:40:08 +0000

Final-Recipient: rfc822;Bejamin.Thomas@childrens.harvard.edu
Action: failed
Status: 5.1.351
Diagnostic-Code: smtp;550 5.1.351 Remote server returned unknown recipient or mailbox unavailable -> 550 permanent failure for one or more recipients (bejamin.thomas@childrens.harvard.edu:550 5.1.1 User Unknown)
Remote-MTA: dns;mx-outbound47-254.us-east-2c.ess.aws.cudaops.com
X-Display-Name: Bejamin.Thomas@childrens.harvard.edu