The original message was received at Tue, 28 Jan 2025 10:55:26 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550-5.1.1 The email account that you tried to reach does not exist. Please try) (reason: 550 Message contained spam content (antispamcloud.spam.nwsjnk21)) (reason: 550 Host 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/ABFOBSMCeF1zXFIJcUl3JQYGHjVudwcmPhsTCwwvHBJa) (reason: 551 5.1.1 recipient is not exist) (reason: 554 Reject by content spam) (reason: 550 Mail content denied [M0BS2NE0lcNP5xLo54gpr4QbhQzGybQ9hQzfwDJCgNjsPwXXE9sWNBI= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Host unknown) (reason: 550 Mail content denied [MpV5F2PDAuMb8Xaep9lPiseRu8UeLaVx01zcO+/TokiYKFFneb2floI= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.4.1 Recipient address rejected: Access denied. [AM3PEPF0000A797.eurprd04.prod.outlook.com 2025-01-28T09:59:47.206Z 08DD3E32E3D1AC70]) (reason: 550 Mailbox unavailable or access denied [M0BS2NE0lcNPhtpipBoyrztKC7ER+MVkJEhqfD6JR1HTQh7vPFKhuyI= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 5.1.1 MXIN501 mailbox nrpickup@sunrise.ch unknown ;id=ciOEtmqZnVHIEciOHt2aqZ;sid=ciOEtmqZnVHIE;mta=mx4-prd-nl1-sun;d=20250128;t=110018[CET];ipsrc=83.138.65.30;) (reason: 550 Host unknown) (reason: 550 permanent failure for one or more recipients (nscow@ywca.org.hk:blocked,nscw@ywca.org.hk:blocked,nsfh@ywca.org.hk:blocked,nslh@ywca.org.hk:blocked)) (reason: 550 permanent failure for one or more recipients (nscow@ywca.org.hk:blocked,nscw@ywca.org.hk:blocked,nsfh@ywca.org.hk:blocked,nslh@ywca.org.hk:blocked)) (reason: 550 permanent failure for one or more recipients (nscow@ywca.org.hk:blocked,nscw@ywca.org.hk:blocked,nsfh@ywca.org.hk:blocked,nslh@ywca.org.hk:blocked)) (reason: 550 permanent failure for one or more recipients (nscow@ywca.org.hk:blocked,nscw@ywca.org.hk:blocked,nsfh@ywca.org.hk:blocked,nslh@ywca.org.hk:blocked)) ----- Transcript of session follows ----- ... while talking to aspmx.l.google.com.: >>> DATA ... User unknown >> DATA ... Deferred: 450 Requested action not taken: AQAAfwDXY3DiqZhnsMzKAQ--.24181S3, please try again ... while talking to mx1.cleanmx.pt.: >>> DATA >> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to aspmx2.googlemail.com.: >>> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect ... while talking to mail.xjtu.edu.cn.: >>> DATA ... Deferred: 450 Requested action not taken: KgGowAB36kwkqphnaH5UAQ--.10230S3, please try again ... while talking to mne-pt.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [DU2PEPF00028D05.eurprd03.prod.outlook.com 2025-01-28T09:58:08.074Z 08DD3F745CCB7562] ... while talking to ncs-com-sg.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [HK2PEPF00006FAF.apcprd02.prod.outlook.com 2025-01-28T09:58:23.809Z 08DD3E531C7148D0] 550 5.1.2 ... Host unknown (Name server: new-progress.com.tw: host not found) 550 5.1.2 ... Host unknown (Name server: nighesun.com.cn: host not found) ... while talking to qiye163mx01.mxmail.netease.com.: >>> DATA ... User unknown >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (S77714) [AM4PEPF00027A6B.eurprd04.prod.outlook.com 2025-01-28T09:58:38.285Z 08DD3E4943F9AB6C] ... while talking to mxn.mxhichina.com.: >>> DATA >> DATA >> DATA ... Host unknown (Name server: nsa.gov.cn: host not found) ... 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) [DB5PEPF00014B8B.eurprd02.prod.outlook.com 2025-01-28T09:59:43.292Z 08DD3F68DD5D6EA0] ... while talking to sg-pcm-gov-pt.mail.protection.outlook.com.: >>> DATA ... User unknown >> DATA >> DATA ... User unknown ... Host unknown (Name server: tsm1975.com.tw: host not found) 550 5.1.2 ... Host unknown (Name server: .: host not found) ... while talking to mx-apac.mail.gm0.yahoodns.net.: >>> MAIL From: SIZE=2992 ,... Deferred: 421 4.7.0 [TSS04] Messages from 83.138.65.30 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes ... while talking to ychss-org-hk.mail.protection.outlook.com.: >>> DATA >> DATA