The original message was received at Tue, 28 Jan 2025 08:48:06 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Host unknown) (reason: 551 RC:NE The email account does not exist) (reason: 550 5.4.1 Recipient address rejected: Access denied. [AM1PEPF000252DA.eurprd07.prod.outlook.com 2025-01-28T07:49:19.740Z 08DD3E32F75F590C]) (reason: 550 Host unknown) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMDKFdwWQ0IcUl3cwYGHjVudwdxbE0TWwwvHBJa) (reason: 550 5.5.0 no such recipient - adam.gierek@europarl.europa.eu) (reason: 550 5.5.0 no such recipient - adam.kosa@europarl.europa.eu) (reason: 550 Host unknown) (reason: 550 5.1.1 : Recipient address rejected: User unknown in local recipient table) (reason: 554 RCPT (ad@mtmt.com.cn) dosn't exist) (reason: 550 5.4.1 Recipient address rejected: Access denied. [SG1PEPF000082E5.apcprd02.prod.outlook.com 2025-01-28T07:55:16.383Z 08DD3E335DF3E520]) (reason: 550 Host unknown) (reason: 550-5.1.1 The email account that you tried to reach does not exist. Please try) (reason: 550 5.4.1 Recipient address rejected: Access denied. [DB5PEPF00014B99.eurprd02.prod.outlook.com 2025-01-28T07:56:43.172Z 08DD3F5D7190E80F]) (reason: 550 Mail content denied [NSjjVjUmCg+CrcEvY3KMyy6XRvUbBmHLbkog9Woaf6RYkyZy+Mj5OoY= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Host unknown) (reason: 551 5.1.1 recipient is not exist) ----- Transcript of session follows ----- ... while talking to mx4.chinanetsun.com.: >>> DATA >> DATA ... Deferred: 450 Requested action not taken: wqEUrABHXm3hi5hnHLtzAg--.61309S3, please try again 550 5.1.2 ... Host unknown (Name server: aerotime.cn: host not found) ... while talking to hsmx137.cn4e.com.: >>> RCPT To: ... User unknown >>> DATA >> DATA ... User unknown ... Host unknown (Name server: ele.ta.cn: host not found) ... while talking to qiye163mx01.mxmail.netease.com.: >>> DATA ... Deferred: Connection timed out with epiuse.cn. ... while talking to mail130.ep.europa.eu.: >>> DATA ... User unknown ... User unknown 550 5.1.2 ... Host unknown (Name server: fh-shinli.cn: host not found) ... Deferred: Connection timed out with host4246185.xincache5.cn. ... while talking to smtp-box-01.iol.pt.: >>> DATA : Recipient address rejected: User unknown in local recipient table 550 5.1.1 ... User unknown ... Deferred: Connection timed out with jsschem.cn. ... while talking to mxn.mxhichina.com.: >>> DATA >> DATA ... User unknown 550 5.1.2 ... Host unknown (Name server: raguanzhen.cn: host not found) ... while talking to mxw.mxhichina.com.: >>> DATA ... Deferred: 454 Transient reject by behaviour spamANTISPAM_BAT[01201311R110, maildocker-behaviorspam033055200174]: rejected by antispam ... while talking to aspmx.l.google.com.: >>> DATA ... User unknown >> DATA ... User unknown >> DATA ... Host unknown (Name server: turnstar.com.cn: host not found) ... while talking to qiye163mx01.mxmail.netease.com.: >>> DATA ... User unknown ... Deferred: 421 Too many concurrent SMTP connections from this IP address; please try again later.