Reporting-MTA: dns;BY5PR09MB4915.namprd09.prod.outlook.com Received-From-MTA: dns;outbound-ip61b.ess.barracuda.com Arrival-Date: Fri, 13 Dec 2024 10:10:24 +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