The original message was received at Tue, 28 Jan 2025 09:06:56 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Host unknown) (reason: 550 Host unknown) (reason: 550 Mail content denied [M0BS2NE0lcNP8EYaQxFwZ06j2aVCf8O8P7zbF7ZcMkh8jduGcffQR3I= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMDK1AgXVkOcUt5cAYGHjVjLFQjYk9CXAwvHBhK) (reason: 550 Mail content denied [ORLs+t4qA9N4ZWlxO60NrblhyyW8DTInjl6Kn0v6yVMkHiMoosMphyw= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 551 5.1.1 recipient is not exist) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMDK1x1U1sJcUt5JgYGHjVjLFd1b0EVWwwvHBhK) (reason: 550 Mail content denied [NLAtegSadZQL210NeXuncKiowP1Ltf+t1AqfwZZoy6ggECa5u706SjM= 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 Mail content denied [NSjjVjUmCg+C6Dr84oao3Zft/g+zXMR/6ih9TAnqTft1GNZRBdxTKzQ= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMDKwV3XVJVcUt5cQYGHjVjLFd1OxoUDwwvHBhK) ----- Transcript of session follows ----- ... Deferred: Connection refused by 7ca28e3b9cb94ac6b43c1024cb86f83d.vip1.huaweicloudwaf.com. 550 5.1.2 ... Host unknown (Name server: beguang.com.cn: host not found) 550 5.1.2 ... Host unknown (Name server: bzxinying.com.cn: host not found) ... Deferred: Connection refused by chengwei.com.cn. ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA >> DATA >> DATA ... User unknown >> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: AQAAfwAHkkREkZhnevkQAA--.32591S3, please try again ,... Deferred: Connection timed out with inovance.cn. ... while talking to smtp.ncepu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: CEHMygCHS6FvkZhnzNs+AA--.56079S3, please try again ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: Connection refused by w251.menglangs.cn. 550 5.1.2 ,,... Host unknown (Name server: .: host not found) ... Deferred: Connection timed out with yhaoo.com.cn.