The original message was received at Tue, 28 Jan 2025 11:54:47 +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/ABFOBSMCdQB4WlMJcUl3JwYGHjVudwZ0OxsRXgwvHBJa) (reason: 553 "RCPT TO" mailbox unavailable) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQAjXl9dcUt5IgYGHjVjKwB0Px1EWAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQAjXl9dcUt5IgYGHjVjKwB0Px1EWAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQAjXl9dcUt5IgYGHjVjKwB0Px1EWAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQAjXl9dcUt5IgYGHjVjKwB0Px1EWAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdQAlU1lecUt5cAYGHjVjKwB0OE1CDwwvHBhK) (reason: 550 Host unknown) (reason: 550 Mail content denied [MpV5F2PDAuMb+gfv2Cjx4MY4JO1FoeCXe5Nl3dUStjHh11A2rvmalIk= 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/ABFOBSMCdQF2X1pVcUt5dAYGHjVjKwB0OEEVVQwvHBhK) (reason: 550 Mail content denied [N/u+XgB1UQZ7S9nLleLSxDg4Aj3oT+6zZbqQGYYrgLB36YXS6IMCqYc= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [N/u+XgB1UQZ7S9nLleLSxDg4Aj3oT+6zZbqQGYYrgLB36YXS6IMCqYc= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 User suspended: zouchb@opt.ac.cn) (reason: 550 Mail content denied [NLAtegSadZQLY6w0uZ8LkZJnoFu8/mPSkGnY2jIXjBerDx7sl3nrzDs= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 User suspended: zpliu@sibs.ac.cn) (reason: 550 Mailbox unavailable or access denied [MM26xUelqNM/Y0Xh10Du9Cyk9H9zKhE9ZpK9h/8okapNmdw966RUAEs= 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/ABFOBSMCdFRxCwlecUp3IAYGHjVudwZ0Yk4RDwwvHBJa) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdFRzW1oNcUt5dAYGHjVjKwB0OBpFXAwvHBhK) (reason: 551 5.1.1 recipient is not exist .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdFRzW1oNcUt5dAYGHjVjKwB0OBpFXAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdFRzW1oNcUt5dAYGHjVjKwB0OBpFXAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdFRzW1oNcUt5dAYGHjVjKwB0OBpFXAwvHBhK) (reason: 551 5.1.1 recipient is not exist) (reason: 551 5.1.1 recipient is not exist) (reason: 551 5.1.1 recipient is not exist) (reason: 551 5.1.1 recipient is not exist) ----- Transcript of session follows ----- ... while talking to qiye163mx01.mxmail.netease.com.: >>> DATA >> DATA ... User unknown >> DATA >> DATA ... Host unknown (Name server: ftansauto.cn: host not found) 550 5.1.2 ... Host unknown (Name server: huanyutc.cn: no data known) ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: OEB0ygCXTkbwt5hnERvnAQ--.9843S3, please try again ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA ... User unknown ... Deferred: Connection timed out with public.sta.net.cn. ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA ... User unknown >> DATA >> DATA >> EHLO mediaf.han-solo.net >> EHLO mediaf.han-solo.net ... Deferred: 421 Service not available, closing transmission channel ... while talking to hzmx01.mxmail.netease.com.: >>> DATA ... User unknown ... User unknown ... User unknown ... User unknown ... User unknown ,,,,... Host unknown (Name server: .: host not found) ... while talking to yml-com-cn.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [HK2PEPF00006FB3.apcprd02.prod.outlook.com 2025-01-28T10:58:39.372Z 08DD3E69EFE64F47]