The original message was received at Tue, 28 Jan 2025 11:53:56 +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.) (reason: 550 Mail content denied [OGqA/Ptf1JSOGka4AkMynLMjaJ1zjq70XMgJ7GkUDId+Cqi5v5Ye3Fo= 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/ABFOBSMCdQAlXA9dcUt5cQYGHjVjKwB0YkxPXQwvHBhK) (reason: 550 Mail content denied [NSjjVjUmCg+CDRUSoqmERVaRnKww0tXpmKmQpReybj6o6AXPPkwY1eA= 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/ABFOBSMCdQFyXw5YcUt5IQYGHjVjKwB0OR4RDAwvHBhK) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQFyDFxacUt5IQYGHjVjKwB0PkhHWwwvHBhK) (reason: 550 permanent failure for one or more recipients (zhuchan@motorpowergroup.cn:blocked)) (reason: 553 "RCPT TO" mailbox unavailable) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQF4Uw8NcUt5dwYGHjVjKwB0Yx5BCAwvHBhK) (reason: 551 5.1.1 recipient is not exist) (reason: 550 User not found: zhuangshaobin@pjlab.org.cn) (reason: 451 4.4.1 reply: read error from mx2.qiye.aliyun.com.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQEnD1kPcUt4IgYGHjVjKwB0PhtFXgwvHBhK) (reason: 451 4.4.1 reply: read error from freemx3.sinamail.sina.com.cn.) (reason: 550 Mail content denied [ORLs+t4qA9N4k4jhdp18pBh8QIuBrBQ6CHpnVo11mWIrwaPQ4LnpqPs= 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/ABFOBSMCdQJ1CFlfcUt5cQYGHjVjKwB0PE4RXAwvHBhK) (reason: 550 Mail content denied [Nu9f9OZKLqwsccQMtV6DGR4PTgYY0s8A3t71r+yaa1qkZUHL6pTk3+g= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) ----- Transcript of session follows ----- ... while talking to mxn.mxhichina.com.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: Z1qowACHyTOct5hnH5gzAA--.17966S3, please try again ... while talking to email.bnu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: AQAAfwAXqHSht5hnQ+bKAQ--.24527S3, please try again ... while talking to mxn.mxhichina.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spamANTISPAM_BAT[01201311R150, maildocker-behaviorspam033045239223]: rejected by antispam ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA >> DATA ... Host unknown (Name server: jn.gov.cn: host not found) ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to d315750.a.ess.de.barracudanetworks.com.: >>> DATA >> DATA ... User unknown >> DATA ... User unknown ... Host unknown (Name server: .: host not found) ... while talking to mail.pjlab.org.cn.: >>> DATA ... User unknown >> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: NAUFCgB3WcETuJhnbPFmAA--.46531S3, please try again ... while talking to freemx3.sinamail.sina.com.cn.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: BAYKCgCnrTEauJhn2YwPAA--.11735S3, please try again ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: BgAi0gCXDGovuJhngDzlAA--.46355S3, please try again 550 5.1.2 ,... Host unknown (Name server: .: host not found) ... while talking to mx.zzu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: 3eqowAAngHc6uJhnWuwQAQ--.49499S3, please try again