The original message was received at Tue, 28 Jan 2025 10:37:23 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 User not found: lsl@bjppb.gov.cn) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVIlDlhecUt5cAYGHjVjKwF2aRxADwwvHBhK) (reason: 551 RC:NE The email account does not exist) (reason: 550 Mail content denied [MM26xUelqNM/kuivqocMF7tq3bz3v1JGwOkEZ5IfR/VbscepeHrQy2o= 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/ABFOBSMCeVN0CAkJcUt5cgYGHjVjKwF2bR4TXwwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVMkXFwKcUt4IgYGHjVjKwF2axtFXwwvHBhK) (reason: 550 Mail content denied [ORLs+t4qA9N4tCzFLjb4XGXU3PoHkIzfwiao6+vj4HPGLjcmA8fwpzQ= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [Nu9f9OZKLqwsd16ympbV1hQxjtPz2C3z1Xennew+9gjXO3PZR9B5ERA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 451 4.4.1 reply: read error from mta.bnet.cn.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeV0lDlxbcUt5dwYGHjVjKwF2bB0TWAwvHBhK) (reason: 550 Mail content denied [ORLs+t4qA9N46cybyOn247SLiypw++uF6EDkDmanOtUzVrRncOi213c= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) ----- Transcript of session follows ----- ... while talking to mx.beijing.gov.cn.: >>> DATA ... User unknown ... Host unknown (Name server: china-embassy.or.jp: host not found) ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> RCPT To: ... User unknown >>> DATA >> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: yCVVtADXaYnEpZhnNpB0AQ--.22108S3, please try again ... while talking to jpcruz-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DB5PEPF00014B88.eurprd02.prod.outlook.com 2025-01-28T09:39:35.792Z 08DD3F57C27A3F33] ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 451 4.3.2 Temporary server error. Please try again later ATTR17 [DU2PEPF00028D03.eurprd03.prod.outlook.com 2025-01-28T09:39:48.091Z 08DD3E708109AEFD] >> DATA >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1469S3010121220, maildocker-behaviorspam033038135233]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1369S9310121220, maildocker-behaviorspam033045086103]: much too frequently sendingCONTINUE >> DATA >> DATA ,... Deferred: 450 Requested action not taken: N0B0ygBHFv4JpphnYJDmAQ--.31434S3, please try again ... while talking to mta.bnet.cn.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: AQAAfwD3Y2t6pphnhJ5IAA--.18327S3, please try again ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: LAGowABHcFmHpphnXS9SAQ--.8287S3, please try again 550 5.1.2 ... Host unknown (Name server: .: host not found) ... while talking to mxbiz1.qq.com.: >>> DATA