The original message was received at Tue, 28 Jan 2025 10:31:15 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Mail content denied [MbmMx8+oB+H16KPWqnvYWE3VQUTAkAVOEkvL43a08y6mF23sfxzKVjc= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCeVAkDAgIcUp3IAYGHjVudwcnbk5EXQwvHBJa) (reason: 550 Mail content denied [M0BS2NE0lcNPf/c80Qo23er2wuu6P2SFc3JYIY1CQ6pXTf30qE2hUFA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Host unknown) (reason: 550 5.7.1 User not found) (reason: 550 Mail content denied [M0BS2NE0lcNPG9tx7aGg3tIWhqkHkJLFAUpfOtLIb0BmWTwpm1SJrfY= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [N/u+XgB1UQZ7SqMA1ZLGLrgl94FBpjddOCOD5oOzOFIXRTfefJyfJK8= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) ----- Transcript of session follows ----- ... while talking to mxbiz.vip.qq.com.: >>> DATA ... Host unknown (Name server: coraorg.cn: host not found) ... while talking to mail.csu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: FEDFygDHBR2ZpJhnBX9KAQ--.8653S3, please try again ... while talking to 1827747096.mail.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [SG2PEPF000B66CF.apcprd03.prod.outlook.com 2025-01-28T09:35:11.171Z 08DD3E685EC53170] ... 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[01201311R7768S1110121229, maildocker-behaviorspam033045239223]: too frequently sendingCONTINUE ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R7768S1110121229, maildocker-behaviorspam033045239223]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R7568S3110121229, maildocker-behaviorspam033045163118]: too frequently sendingCONTINUE ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R7568S3110121229, maildocker-behaviorspam033045163118]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R3169S5510121220, maildocker-behaviorspam033037003110]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R8669S5310121220, maildocker-behaviorspam033037018165]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R9569S5210121220, maildocker-behaviorspam033045086103]: much too frequently sendingCONTINUE >> DATA >> DATA ... Host unknown (Name server: lionhall.cn: host not found) ... while talking to mail.sysu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: N0B0ygBHFv5GpZhns47mAQ--.31424S3, please try again ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: LAGowACXulNQpZhn+SZSAQ--.885S3, please try again ... while talking to nyp-edu-sg.mail.protection.outlook.com.: >>> DATA ,... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021E.apcprd03.prod.outlook.com 2025-01-28T09:37:35.564Z 08DD3E5EC3861F3B] ... while talking to mx1.qiye.aliyun.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1668S2310121229, maildocker-behaviorspam033038135233]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R7968S5510121229, maildocker-behaviorspam033037026184]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1468S9910121229, maildocker-behaviorspam033037003110]: too frequently sendingCONTINUE >> DATA ... User unknown ... 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) [GV1PEPF000006F9.CHEP278.PROD.OUTLOOK.COM 2025-01-28T09:39:00.257Z 08DD3F5B9CE236D1] ... while talking to mail.xjtlu.edu.cn.: ... Deferred: 421 4.7.0 Not allowed. ... while talking to mxbiz1.qq.com.: >>> DATA ... Host unknown (Name server: .: host not found)