Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: 783A48C36A7
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Tue, 27 Jan 2026 14:35:10 +0000 (UTC)

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