The original message was received at Tue, 28 Jan 2025 09:18:58 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 dehuabj@263.net.cn:user locked) (reason: 550 Mail content denied [M0BS2NE0lcNPFO8ms6LElrhmjOn8BgSuVAMxqNPtps+GGwF26EWckUQ= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.4.1 Recipient address rejected: Access denied. [DS3PEPF000099DF.namprd04.prod.outlook.com 2025-01-28T08:20:48.409Z 08DD3E5C67725740]) (reason: 550 5.5.0 no such recipient - debora.serracchiani@europarl.europa.eu) (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 Mail content denied [M0BS2NE0lcNPEI+DM23E54yh8dr0dot4bqPDSx9raUNU97Y+hqMyKjo= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). [DU6PEPF0000A7DE.eurprd02.prod.outlook.com 2025-01-28T08:22:10.271Z 08DD3F5F0BE6A27F]) (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 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfVYnCwpdcUt4IgYGHjVjLFd3OUxCXwwvHBhK) (reason: 551 5.1.1 recipient is not exist) (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 #5.1.0 Address rejected.) (reason: 550 permanent failure for one or more recipients (dehl@ywca.org.hk:blocked)) (reason: 551 5.1.1 recipient is not exist) ----- Transcript of session follows ----- ... while talking to mxw.263.net.: >>> RCPT To: ... User unknown >>> DATA >> DATA ... Deferred: 450 Requested action not taken: AQAAfwBX6XVCk5hnu6DKAQ--.24207S3, please try again ... while talking to bti-astar-edu-sg01c.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG1PEPF000082E2.apcprd02.prod.outlook.com 2025-01-28T08:20:25.673Z 08DD3E63330451F4] ... while talking to mxbiz1.qq.com.: >>> DATA ... Host unknown (Name server: debox.com.cn: non-recoverable error) ... while talking to dorel-eu.mail.protection.outlook.com.: >>> DATA ... User unknown >> DATA ... User unknown >> DATA >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB2.apcprd02.prod.outlook.com 2025-01-28T08:21:15.180Z 08DD3E92491BD046] ... while talking to mail.jzjj.com.cn.: >>> DATA ... Deferred: 451 4.7.1 ExtMail Pro : Greylist in action , Please try again. >> DATA ... User unknown ... Deferred: 452 4.5.3 Recipients belong to multiple regions ATTR38 [DU6PEPF0000A7DE.eurprd02.prod.outlook.com 2025-01-28T08:22:10.286Z 08DD3F5F0BE6A27F] >> DATA ... Deferred: 421 mail11.hmail.sg closing connection ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... User unknown ... Deferred: Connection timed out with shphillipsind.com.cn. ... while talking to smu-edu-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66CA.apcprd03.prod.outlook.com 2025-01-28T08:26:17.240Z 08DD3F380DB60289] ... while talking to sodarca-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [AMS0EPF0000019E.eurprd05.prod.outlook.com 2025-01-28T08:26:22.006Z 08DD3E6212DF5AF9] ... while talking to aspmx.l.google.com.: >>> DATA ... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please >> DATA >> RCPT To: ... User unknown >>> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66CA.apcprd03.prod.outlook.com 2025-01-28T08:27:00.037Z 08DD3F380DB64B11] ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: LAGowABnjlfUlJhnqrpRAQ--.9540S3, please try again 550 5.1.2 ,,,... Host unknown (Name server: .: host not found) ... while talking to d268813a.ess.barracudanetworks.com.: >>> DATA >> DATA ... User unknown