Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: 8920378179C
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Sun, 22 Mar 2026 04:00:09 +0000 (UTC)

Final-Recipient: rfc822; supportwebmaster@esatmask.ru
Original-Recipient: rfc822;supportwebmaster@esatmask.ru
Action: failed
Status: 4.0.0
Remote-MTA: dns; esatmask.ru
Diagnostic-Code: smtp; 421 Downstream server error
