The original message was received at Tue, 28 Jan 2025 09:16:04 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 451 4.4.1 reply: read error from mxw.mxhichina.com.) ----- Transcript of session follows ----- 451 benirbaby.com.cn: Name server timeout 451 csa.com.cn: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 csa.com.cn: Name server timeout 451 benirbaby.com.cn: Name server timeout ... while talking to huayue-com-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: Name server: huayue-com-sg.mail.protection.outlook.com.: host name lookup failure 451 skhwc.org.hk: Name server timeout 451 csa.com.cn: Name server timeout 451 benirbaby.com.cn: Name server timeout ... Deferred: Connection timed out with mail.welldental.com.hk. 451 skhwc.org.hk: Name server timeout 451 csa.com.cn: Name server timeout 451 benirbaby.com.cn: Name server timeout ... Deferred: Connection timed out with miller.com.cn.w.kunlunaq.com. ... while talking to mxn.mxhichina.com.: >>> DATA >> DATA ... Deferred: Connection timed out with mzjd.com.cn. 451 skhwc.org.hk: Name server timeout 451 csa.com.cn: Name server timeout 451 benirbaby.com.cn: Name server timeout 451 skhwc.org.hk: Name server timeout 451 csa.com.cn: Name server timeout 451 benirbaby.com.cn: Name server timeout ... Deferred: Connection timed out with pamton.cn. 451 skhwc.org.hk: Name server timeout 451 csa.com.cn: Name server timeout 451 benirbaby.com.cn: Name server timeout ... while talking to taqbin-com-hk0eb.mail.protection.outlook.com.: >>> DATA ... Deferred: Name server: taqbin-com-hk0eb.mail.protection.outlook.com.: host name lookup failure