Reporting-MTA: dns;DS0PR09MB10453.namprd09.prod.outlook.com
Received-From-MTA: dns;outbound-ip182b.ess.barracuda.com
Arrival-Date: Mon, 11 Aug 2025 09:10:49 +0000

Final-Recipient: rfc822;kcogavin@cityofmelrose.org
Action: failed
Status: 5.7.134
Diagnostic-Code: smtp;550 5.7.134 RESOLVER.RST.SenderNotAuthenticatedForMailbox; authentication required; Delivery restriction check failed because the sender was not authenticated when sending to this mailbox