The original message was received at Tue, 28 Jan 2025 10:25:49 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 542 5.7.1 Spiked: hashdb/f0f61c6775f84203952aeb2e9d0179a0.520.131107.89.0.4/hashdb_o/f0f61c6775f84203952aeb2e9d0179a0.529.131107.89.0/80) (reason: 550 Message contained spam content (antispamcloud.spam.nwsjnk21)) (reason: 550 le.meng@beyonddent.com.cn:user not exist) (reason: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [BJSCHN02FT003.eop-chn02.gallatin.protection.partner.outlook.cn 2025-01-28T09:28:18.637Z 08DD3A8E0678FE14]) (reason: 550 #5.1.0 Address rejected.) (reason: 550 5.4.1 Recipient address rejected: Access denied. [HK2PEPF00006FB3.apcprd02.prod.outlook.com 2025-01-28T09:28:42.785Z 08DD3E69EFC53FF5]) (reason: 550 Mail content denied [NLAtegSadZQLIfebaY4aJLMgpqFLY2rklmcAu5YmJwC9G+jzhqb/kqI= 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 [Sniper] isn't allowed to relay.) (reason: 550 user disabled) (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/ABFOBSMCeVUiUlhZcUt5cwYGHjVjKwF0Y0FBDAwvHBhK) (reason: 550 User suspended: lcheng@sibs.ac.cn) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVZ2WwhacUt5cwYGHjVjKwF0YxlGXQwvHBhK) (reason: 550 #5.1.0 Address rejected.) (reason: 550 5.7.1 User not found) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVdzCV0JcUt5IQYGHjVjKwF3aUBAVAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVclDg1UcUAvfQYGHjVjKwF3P0oVXQwvHBhK) ----- Transcript of session follows ----- 451 skhwc.org.hk: Name server timeout ... Deferred: Connection refused by 1m1thy.r23.35.com. 451 skhwc.org.hk: Name server timeout ... while talking to mx4.oa.pt.: >>> DATA >> DATA >> RCPT To: ... User unknown >>> DATA >> DATA ... User unknown >> RCPT To: ... User unknown >>> DATA >> DATA ... User unknown >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021D.apcprd03.prod.outlook.com 2025-01-28T09:28:54.780Z 08DD3E6A90536F1A] 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... while talking to mxbiz1.qq.com.: >>> DATA ... Deferred: Connection timed out with mail.ld.cn. 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... User unknown >> DATA isn't allowed to relay. 550 5.1.1 ... User unknown 451 4.4.1 reply: read error from smtp.lsworkplace.com. 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... while talking to mx1.url.com.tw.: >>> DATA ... User unknown >> RSET ... Deferred: Connection timed out with my10351401.c4.n1.ipv6.yunqi1.wezhan.cn. 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... while talking to qiye163mx02.mxmail.netease.com.: >>> DATA ... User unknown >> DATA ... Deferred: Connection timed out with show.17ex.com. ... while talking to mx.cstnet.cn.: >>> DATA ... User unknown 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> RCPT To: ... User unknown >>> DATA >> DATA ... User unknown >> DATA ... Deferred: tk-sh.cn.: No route to host 451 skhwc.org.hk: Name server timeout ... while talking to ualg-pt.mail.protection.outlook.com.: >>> DATA ,... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DU2PEPF00028D0E.eurprd03.prod.outlook.com 2025-01-28T09:34:48.323Z 08DD3F79201956CA] 451 skhwc.org.hk: Name server timeout ... while talking to ust-hk.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FB0.apcprd02.prod.outlook.com 2025-01-28T09:35:02.151Z 08DD3E3E0E3415FC] 550 5.1.2 ... Host unknown (Name server: .: host not found) 451 skhwc.org.hk: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: 3+qowADXNR_YpJhnuEYpAg--.35877S3, please try again