Reporting-MTA: dns; relay.mailchannels.net
X-Postfix-Queue-ID: 5D2D6800632
X-Postfix-Sender: rfc822; support@tservers4.com
Arrival-Date: Sun, 24 May 2026 08:35:06 +0000 (UTC)

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