The original message was received at Tue, 28 Jan 2025 09:17:42 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 554 RCPT (czduma@alibaba.com.cn) dosn't exist) (reason: 551 5.1.1 recipient is not exist) (reason: 551 5.1.1 recipient is not exist) (reason: 550 5.5.0 no such recipient - czeslaw.siekierski@europarl.europa.eu) (reason: 554 5.7.1 : Relay access denied) (reason: 550 #5.1.0 Address rejected.) (reason: 550 User not found: cysong@home.ipe.ac.cn) (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/ABFOBSMDKwJyW1pecUAvcwYGHjVjLFd3aE5FXwwvHBhK) (reason: 550 Host unknown) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 Host unknown) (reason: 550 Mail content denied [Nu9f9OZKLqwsaJPkyE5fICXhprecb3RX10YaMRsnwfQL1XMpLxF1lD0= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 permanent failure for one or more recipients (d.bazzan@rollomatic.ch:blocked)) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfVV5XV8KcUAvfQYGHjVjLFd3YkpPWAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfVUjDA4IcUl3JwYGHjVudwdzbh5OWgwvHBJa) (reason: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [BJSCHN02FT004.eop-chn02.gallatin.protection.partner.outlook.cn 2025-01-28T08:23:29.917Z 08DD3A012C09E056]) (reason: 551 5.1.1 recipient is not exist) (reason: 550 Mail content denied [MbmMx8+oB+H1DVPOli4D+/b4e3nrj99Tod21R51E+GcC5Zh0o5MSTEc= 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 ... User unknown >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB3.apcprd02.prod.outlook.com 2025-01-28T08:18:59.320Z 08DD3E69EFAAF238] ... while talking to mxw.mxhichina.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spamANTISPAM_BAT[01201311R720, maildocker-behaviorspam033024137128]: rejected by antispam ... while talking to connect-hkustgz-edu-cn03c.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021B.apcprd03.prod.outlook.com 2025-01-28T08:19:25.635Z 08DD3E2A6EE31ACD] ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... User unknown >> DATA ... User unknown >> DATA : Relay access denied 554 5.0.0 Service unavailable >> RCPT To: ... User unknown >>> DATA >> DATA ... User unknown >> DATA >> DATA ... Host unknown (Name server: jsmaii.com.cn: host not found) ... Deferred: Connection timed out with kuramoto.com.cn.w.kunlunaq.com. ... while talking to mx1.smtp.goog.: >>> DATA ... Host unknown (Name server: pubic.cz.js.cn: host not found) ... 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) [ZRH2EPF00000150.CHEP278.PROD.OUTLOOK.COM 2025-01-28T08:22:29.160Z 08DD3E46715278B4] ... while talking to d312477.a.ess.de.barracudanetworks.com.: >>> DATA >> DATA >> DATA >> DATA ... User unknown >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66CA.apcprd03.prod.outlook.com 2025-01-28T08:23:46.035Z 08DD3F380DB500EA] ... while talking to mxn.mxhichina.com.: >>> DATA >> DATA ... Deferred: 454 Transient reject by behaviour spamANTISPAM_BAT[01201311R1268S6610113229, maildocker-behaviorspam033037018165]: too frequently sending ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... User unknown >> DATA : Relay access denied ... Deferred: 454 4.7.1 : Relay access denied >> DATA ... Deferred: 450 Requested action not taken: BQAi0gAHiJ5MlJhnruzkAA--.46098S3, please try again 550 5.1.2 ,,... Host unknown (Name server: .: host not found) ... while talking to mxbiz1.qq.com.: >>> DATA