Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: A5CD0183829
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Tue, 20 Jan 2026 15:10:07 +0000 (UTC)

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