The original message was received at Tue, 28 Jan 2025 08:49:34 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 Mail content denied [ORLs+t4qA9N4MoSSh1z134gGpMMT6K5/yd1VaF3sECTaw4ktJTDnYuM= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 554 RCPT (alice.wei@chiefair.hk) dosn't exist) (reason: 550 Mail content denied [MpV5F2PDAuMbgjY7Fbs25a/CJ/sh6AwdEtjQZj3f55WT9iY6f/W2BaQ= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 554 RCPT (alisa@longleaf.com.cn) dosn't exist) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 #5.1.0 Address rejected.) (reason: 550 Mailbox unavailable or access denied [ORLs+t4qA9N47UE2RLPSuUAUN+R16/zzWsOWvT2GdVWNwic+uPVQURU= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 Host unknown) (reason: 550-5.1.1 The email account that you tried to reach does not exist. Please try) (reason: 550 5.7.0 DT:SPM .For more information, please visit https://feedback.qiye.163.com/static/feedback/#/bounce/ABFOBSMDKFMnWl4KcUAvfQYGHjVjLFQhPBpBXQwvHBhK) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 #5.1.0 Address rejected.) (reason: 550-5.7.1 [83.138.65.30 18] Gmail has detected that this message is likely) (reason: 550 Host unknown) ----- Transcript of session follows ----- 550 5.1.2 ... Host unknown (Name server: cese.europa.eu: no data known) ... while talking to mxbiz1.qq.com.: >>> DATA >> DATA >> DATA >> RCPT To: ... Deferred: 451 Internal resource temporarily unavailable - https://community.mimecast.com/docs/DOC-1369#451 [jynjKMtONe-tW8wrGjcaNA.uk166] >>> DATA >> RCPT To: ... Deferred: 451 Internal resource temporarily unavailable - https://community.mimecast.com/docs/DOC-1369#451 [8uRYSP81P4Gu2mIc_K6_Uw.uk108] >>> DATA >> DATA >> DATA >> RCPT To: ... User unknown >>> DATA >> DATA ... Host unknown (Name server: queenca.hk: host not found) ... while talking to prf-smtp-in.m.smail.eu.: >>> DATA >> DATA ... Deferred: 451 4.7.1 Try again later ... while talking to aspmx.l.google.com.: >>> DATA ... User unknown >> DATA >> DATA : Recipient address rejected: Greylisted , you can see http://www.greylisting.org/ to know what is GREYLIST. ... Deferred: 450 4.2.0 : Recipient address rejected: Greylisted , you can see http://www.greylisting.org/ to know what is GREYLIST. >> DATA : Recipient address rejected: Greylisted , you can see http://www.greylisting.org/ to know what is GREYLIST. ... Deferred: 450 4.2.0 : Recipient address rejected: Greylisted , you can see http://www.greylisting.org/ to know what is GREYLIST. >> DATA >> RCPT To: ... User unknown >>> DATA ... Deferred: Connection refused by tasigool.com.cn. ... while talking to aspmx.l.google.com.: >>> DATA ... Host unknown (Name server: zj-yonglong.com.hk: host not found)