The original message was received at Tue, 28 Jan 2025 10:28:57 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCfgJ0WlpZcUt5JgYGHjVjKwF1PE1BCwwvHBhK) (reason: 550 Mailbox unavailable or access denied [MpV5F2PDAuMbS2XxQQiAQ55sTG/ueAKOoQ/V7BXXKF+XdN8WZfUIQxA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVR5WgpbcUt5cwYGHjVjKwF0Y08RXAwvHBhK) (reason: 550 Host unknown) (reason: 550 Host unknown) (reason: 550 User not found: li-j17@mails.tsinghua.edu.cn) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVYjUw4IcUt5fQYGHjVjKwF3b04VCQwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVdxWFtdcUt5fQYGHjVjKwF3b09CWgwvHBhK) (reason: 550 Host unknown) (reason: 550 Mail content denied [OGqA/Ptf1JSOjyZQiQXyY0dxewQsezdQ2Rxq3M5kpag5xuciULN5V1E= 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/ABFOBSMCeVBxDFhYcUt5JgYGHjVjKwF3bEwUCwwvHBhK) (reason: 550 Mail content denied [ORLs+t4qA9N4AdtSG8DSS8VZOl+GU2D3kYeGysLBmGFoKcgF6GuNc0k= 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/ABFOBSMCeVB3XF8PcUt5fQYGHjVjKwF3b0FFWgwvHBhK) (reason: 550 Mail content denied [OGqA/Ptf1JSO1VHC130HNTKQFrPS5wYlkHODUfyLM4fV6gtb8PblZEM= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 User suspended: lihua19@xjtu.edu.cn) ----- Transcript of session follows ----- ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... Deferred: Connection timed out with cpecc.com.cn. ... while talking to mx1.dlut.edu.cn.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: UUJ2ygC3vwPZo5hnOfvyAQ--.12511S2, please try again ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FAF.apcprd02.prod.outlook.com 2025-01-28T09:32:05.839Z 08DD3E531C66ECC7] 550 5.1.2 ... Host unknown (Name server: lailuan.com.cn: host not found) 550 5.1.2 ... Host unknown (Name server: lihwoel.com.tw: host not found) ... while talking to mail.sysu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: OEB0ygC3cUk5pJhnU+bmAQ--.9411S3, please try again ... while talking to mail.xidian.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: OnB1ygB30uJFpJhnYKBICA--.1216S3, please try again ... while talking to mta0.tsinghua.edu.cn.: >>> RCPT To: ... User unknown ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1768S6810121229, maildocker-behaviorspam033045032255]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R2768S6910121229, maildocker-behaviorspam033037038082]: too frequently sendingCONTINUE ... Host unknown (Name server: sme.gov.cn: host not found) ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021E.apcprd03.prod.outlook.com 2025-01-28T09:35:57.548Z 08DD3E5EC3855C42] ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA ,,... Deferred: 450 Requested action not taken: OnB1ygD3YecSpZhnHqJICA--.62438S3, please try again ... while talking to mail.xjtlu.edu.cn.: ... Deferred: 421 4.7.0 Not allowed. ... while talking to mail.xjtu.edu.cn.: >>> DATA ... User unknown ... Deferred: 450 Requested action not taken: KgGowAAnhEEapZhnmV1UAQ--.5907S3, please try again