Reporting-MTA: dns;MN2PR09MB4873.namprd09.prod.outlook.com Received-From-MTA: dns;outbound-ip197b.ess.barracuda.com Arrival-Date: Thu, 10 Apr 2025 19:04:50 +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