Reporting-MTA: dns; dvc.raywonderis.me

Action: failed
Final-Recipient: rfc822;zipingw@hotmail.com
Status: 5.0.0
Remote-MTA: dns; hotmail-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 5.7.1 Unfortunately, messages from [64.20.46.178] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3140). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [Name=Protocol Filter Agent][AGT=PFA][MxId=11BDFABB8663EA3A] [AM4PEPF00027A61.eurprd04.prod.outlook.com 2026-08-19T14:22:00.634Z 08DEFD5DC45A57EA]