The original message was received at Tue, 28 Jan 2025 09:51:43 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 554 RCPT (hui@chinaforge.org.cn) dosn't exist) (reason: 550 Host unknown) (reason: 550 Host unknown) (reason: 551 5.1.1 recipient is not exist) (reason: 550 Mailbox unavailable or access denied [MbmMx8+oB+H1eZLOYT52DXVG3TKhHD6vH9gaJ7V0vW/SglEC+u1/XUM= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 551 5.1.1 recipient is not exist) (reason: 550 Mail content denied [NSjjVjUmCg+CKH8MG1VNHraIp+jDji5H2y+XZIladTWisyPcOvlXqIA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [NSjjVjUmCg+CKH8MG1VNHraIp+jDji5H2y+XZIladTWisyPcOvlXqIA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCf1V4UgldcUt5dgYGHjVjLFckbEBOWgwvHBhK) (reason: 550 5.1.1 : Recipient address rejected: User unknown in virtual mailbox table) (reason: 550 Mail content denied [MbmMx8+oB+H1eZLOYT52DXUOZU6uEaJ7ZLEEut8a4A/E5opbBPenzbA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) ----- Transcript of session follows ----- ... Deferred: Connection timed out with aliyun6.e580.net. ... while talking to amrop-pt.mail.protection.outlook.com.: >>> DATA >> DATA ... Host unknown (Name server: cosco.com.sg: host not found) 550 5.1.2 ... Host unknown (Name server: dataforce.usm.tw: host not found) ... while talking to qiye163mx01.mxmail.netease.com.: >>> DATA ... User unknown >> DATA >> DATA ... User unknown >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB3PEPF00008860.eurprd02.prod.outlook.com 2025-01-28T08:55:38.698Z 08DD3E5E0700DE41] 550 5.1.2 ... Host unknown (Name server: gtt.net.cn: no data known) ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG1PEPF000082E4.apcprd02.prod.outlook.com 2025-01-28T08:56:00.334Z 08DD3E4EA3A1614C] ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: LAGowAD3G1Wlm5hnd_NRAQ--.9766S3, please try again ... while talking to mx1.smtp.goog.: >>> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [AM4PEPF00027A68.eurprd04.prod.outlook.com 2025-01-28T08:56:36.835Z 08DD3E8397E88950] ... while talking to nottingham-edu-cn.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB5.apcprd02.prod.outlook.com 2025-01-28T08:56:42.377Z 08DD3F0EEFB252F2] ... while talking to ntuc-org-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB4.apcprd02.prod.outlook.com 2025-01-28T08:56:54.466Z 08DD3E7404124677] ... while talking to mail21.hmail.sg.: ... Deferred: 421 mail11.hmail.sg closing connection ... while talking to ptspace-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB5PEPF00014B9D.eurprd02.prod.outlook.com 2025-01-28T08:57:09.747Z 08DD3F74546B83E5] ... while talking to aspmx.l.google.com.: >>> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please >> DATA ... Host unknown (Name server: sustc.edu.cn: host not found) ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA : Recipient address rejected: User unknown in virtual mailbox table 550 5.1.1 ... User unknown >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB5PEPF00014B99.eurprd02.prod.outlook.com 2025-01-28T08:58:06.950Z 08DD3F5D71B0E9B3] ... while talking to smg.xidian.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: OnB1ygC3H+UlnJhnGIpICA--.7899S3, please try again ... Deferred 550 5.1.2 ,... Host unknown (Name server: .: host not found)