Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: 28FEF722BE2
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Mon, 17 Nov 2025 16:10:05 +0000 (UTC)

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