Reporting-MTA: dns;MW4PR09MB8948.namprd09.prod.outlook.com Received-From-MTA: dns;outbound-ip61b.ess.barracuda.com Arrival-Date: Thu, 31 Jul 2025 11:01:42 +0000 Final-Recipient: rfc822;cwilcock@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