Reporting-MTA: dns;CLEX2016.clbldomain.local
Received-From-MTA: dns;us-smtp-1.mimecast.com
Arrival-Date: Mon, 7 Jun 2021 15:01:37 +0000

Final-Recipient: rfc822;xxxxxxx@xxxxxxxxx.xxx
Action: failed
Status: 5.1.10
Diagnostic-Code: smtp;550 5.1.10 RESOLVER.ADR.RecipientNotFound; Recipient not found by SMTP address lookup
X-Display-Name: OPRA requests at North Hudson Regional Fire and Rescue