The original message was received at Tue, 28 Jan 2025 11:44:08 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Host unknown) (reason: 550 5.1.1 Recipient unknown ) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVB5XwhZcUAvcwYGHjVjKwB1axsUWQwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVAiXFtdcUt5dQYGHjVjKwB1ahxPCAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVAiXFtdcUt5dQYGHjVjKwB1ahxPCAwvHBhK) (reason: 550 Mailbox unavailable or access denied [NSjjVjUmCg+C6Dr84oao3ZcXezPC8QHHLYqyg5HOXtKKRzgMxLEum+Y= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [BJSCHN02FT004.eop-chn02.gallatin.protection.partner.outlook.cn 2025-01-28T10:46:24.282Z 08DD3A012C0ADE14]) (reason: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). [BL6PEPF0001AB57.namprd02.prod.outlook.com 2025-01-28T10:47:09.032Z 08DD3F6C22330547]) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVJzDlkNcUAvcwYGHjVjKwB1PhwRCAwvHBhK) (reason: 550 Mail content denied [N/u+XgB1UQZ7lXH9QgPCJ8sipcTT7dV1zW5sX0Tlc9bu8/5PQshY5Go= 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/ABFOBSMCdVJ2D1lacUt5JwYGHjVjKwB1OB5CCwwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVN0XVNZcUAvfQYGHjVjKwB1OElOVAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVN0XVNZcUAvfQYGHjVjKwB1OElOVAwvHBhK) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMCdVMiD1JfcUt5cgYGHjVjKwB0aBpDCwwvHBhK) ----- Transcript of session follows ----- 550 5.1.2 ... Host unknown (Name server: adgxcs.com.cn: host not found) ... 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[01201311R1968S7510121229, maildocker-behaviorspam033045076027]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R5168S5410121229, maildocker-behaviorspam033037038082]: too frequently sendingCONTINUE >> RCPT To: 550 5.1.1 ... User unknown >>> DATA ... Host unknown (Name server: ctei.gov.cn: host not found) ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: UEJ2ygCHl8VrtZhn+NbaAQ--.30558S2, please try again ... while talking to mxhm.qiye.163.com.: >>> DATA >> DATA >> DATA ... User unknown ... Deferred: Connection timed out with mail.gzzg.cn. ... while talking to apc.olc.protection.outlook.com.: >>> DATA ... User unknown >> DATA >> DATA >> DATA ... Deferred: Connection timed out with tiktap.cn. ... while talking to hzmx01.mxmail.netease.com.: >>> DATA >> DATA >> DATA ... Deferred: 450 Requested action not taken: OnB1ygC3Iug7tphnwtJICA--.6109S3, please try again ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: KgGowACH5UJGtphn+MtUAQ--.5662S3, please try again 550 5.1.2 ,,,... Host unknown (Name server: .: host not found)