Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: 8492C7416DE
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Thu, 04 Dec 2025 18:15:05 +0000 (UTC)

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