The original message was received at Tue, 28 Jan 2025 10:35:55 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Mail content denied [NLAtegSadZQLY6w0uZ8LkZLEDc/W64SvRt9h3c46nmPW7N+HoNk31Wo= 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/ABFOBSMCeVEkU1gKcUt5dwYGHjVjKwF3bU1EXgwvHBhK) (reason: 551 5.1.1 recipient is not exist) (reason: 550 Mailbox unavailable or access denied [ORLs+t4qA9N4qDqFuISl9jpqeHxcDQVhAOW3INUfGWT8E/NpwI7Q8fA= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) 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(reason: 550 Mail content denied [M0BS2NE0lcNPFO8ms6LElrhYyoDyMawNNib0vMu0//qdqZDX5vf6I4A= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) ----- Transcript of session follows ----- 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout ... while talking to mxbiz2.qq.com.: >>> DATA >> DATA >> DATA ... User unknown >> DATA >> DATA ... Deferred: 450 Requested action not taken: FEDFygD3NBxzpZhnyIdKAQ--.15805S3, please try again 451 meheco.com.cn: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1168S8910121229, 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[01201311R7768S2310121229, maildocker-behaviorspam033045239223]: too frequently sendingCONTINUE >> RCPT To: ... User unknown >>> DATA ... Host unknown (Name server: ffcs.cn: host not found) ... while talking to mx.cstnet.cn.: >>> DATA ... User unknown >> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK3PEPF0000021E.apcprd03.prod.outlook.com 2025-01-28T09:38:48.204Z 08DD3E5EC3868874] 451 meheco.com.cn: Name server timeout ... while talking to hzmx02.mxmail.netease.com.: >>> DATA >> DATA >> DATA >> DATA : Relay access denied ... Deferred: 454 4.7.1 : Relay access denied ... Deferred: Connection reset by mxn.mxhichina.com. 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: LAGowAAnT1jUpZhnlSlSAQ--.10351S3, please try again 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: 44DJygD32OzppZhnLa4UAA--.25008S3, please try again ... Deferred: Connection timed out with mail.panthersports.cn. 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout ... Deferred: Connection timed out with riso.com.cn.w.kunlunaq.com. 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA ... Deferred: Connection timed out with wangpu-cn.alibaba.com. ... while talking to mx01.mail.alibaba.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1668S8710121229, 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[01201311R5868S8710121229, maildocker-behaviorspam033024137128]: too frequently sendingCONTINUE >> DATA ... Deferred: 450 Requested action not taken: LAGowABnjVZ4pphn3C5SAQ--.10046S3, please try again 451 meheco.com.cn: Name server timeout 451 meheco.com.cn: Name server timeout ... while talking to mxbiz1.qq.com.: >>> DATA