Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: 8BDA61828B9
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Fri, 05 Dec 2025 15:35:05 +0000 (UTC)

Final-Recipient: rfc822; billing@miwmrdq.com
Original-Recipient: rfc822;billing@miwmrdq.com
Action: failed
Status: 4.0.0
Remote-MTA: dns; mail.miwmrdq.com
Diagnostic-Code: smtp; 421 Downstream server error
