The original message was received at Tue, 28 Jan 2025 09:44:18 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfFMgXghZcUAvfAYGHjVjLFd9Y0FCWAwvHBhK) (reason: 550 Host unknown) (reason: 550 5.7.1 habgs@hongan.com.cn: User not found or disabled.) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 User suspended: hai.feng@iphy.ac.cn) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 Mailbox unavailable or access denied [MM26xUelqNM/vzCZOmSCYXRGwlVX24EVqxa1CihXiTASTE9Azn5Iqyo= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 5.4.1 Recipient address rejected: Access denied. [HK2PEPF00006FB0.apcprd02.prod.outlook.com 2025-01-28T08:49:51.254Z 08DD3E3E0E22B31F]) (reason: 550 5.4.1 Recipient address rejected: Access denied. [HK2PEPF00006FB0.apcprd02.prod.outlook.com 2025-01-28T08:49:51.035Z 08DD3E3E0E22B31F]) (reason: 550 Mail content denied [ORLs+t4qA9N4k4jhdp18pBgRQzGVgJ9UUDwW9hnq2xT+ZhbylAadLU0= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [ORLs+t4qA9N4k4jhdp18pBgRQzGVgJ9UUDwW9hnq2xT+ZhbylAadLU0= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Host unknown) ----- Transcript of session follows ----- ... while talking to mxn.mxhichina.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R2668S1010121229, maildocker-behaviorspam033037018165]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R3868S5710121229, maildocker-behaviorspam033045108231]: too frequently sendingCONTINUE >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021D.apcprd03.prod.outlook.com 2025-01-28T08:46:43.496Z 08DD3E6A9041D5F1] 550 5.1.2 ... Host unknown (Name server: dl-sanyo.cn: host not found) ... while talking to mxhm.qiye.163.com.: >>> DATA ... Host unknown (Name server: ftm.fitec.co.jp: host not found) 451 4.4.1 reply: read error from mail.hcchb.gov.tw. ... Deferred: Connection reset by mail.hcchb.gov.tw. ... while talking to mxa405a.chinaemail.cn.: >>> RCPT To: ... User unknown >>> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021D.apcprd03.prod.outlook.com 2025-01-28T08:48:08.543Z 08DD3E6A90424E0A] ... while talking to imre-astar-edu-sg01e.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66CB.apcprd03.prod.outlook.com 2025-01-28T08:48:14.550Z 08DD3F04F3F7F3E3] ... while talking to imsb-biol-ethz-ch.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [GV1PEPF000006F9.CHEP278.PROD.OUTLOOK.COM 2025-01-28T08:48:19.392Z 08DD3F5B9CDF0A9C] ... while talking to aspmx.l.google.com.: >>> DATA >> DATA ... User unknown >> DATA >> DATA >> DATA ... Deferred: 421 mail11.hmail.sg closing connection ... Deferred ... while talking to polyu-edu-hk.mail.protection.outlook.com.: >>> DATA ... User unknown ... User unknown >> DATA ... Deferred: Connection timed out with smeimdf.org.cn. 550 5.1.2 ... Host unknown (Name server: uizhong.cn: host not found) ... while talking to mail.xjtlu.edu.cn.: ,... Deferred: 421 4.7.0 Not allowed. 550 5.1.2 ,,... Host unknown (Name server: .: host not found) 550 5.1.2 ... Host unknown (Name server: zdnet-com-cn.mail.protection.partner.outlook.cn.: host not found)