The original message was received at Tue, 28 Jan 2025 11:36:09 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 451 4.4.1 reply: read error from mx1.hc1709-19.eu.iphmx.com.) (reason: 554-esa.hc1435-93.eu.iphmx.com) (reason: 550 Mailbox unavailable or access denied [NLAtegSadZQLxk8izCDDSKdj/Nl3kxzpVAyH+NWa7JGWzTxVjCyoB/E= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20057.) (reason: 550 Mail content denied [MbmMx8+oB+H1LAZ9SxbBpqFBKw9E0rMGiwuPi5AOi8/Igt9tOREZkVw= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 Mail content denied [MbmMx8+oB+H1LAZ9SxbBpqFBKw9E0rMGiwuPi5AOi8/Igt9tOREZkVw= 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/ABFOBSMCegB3UwoJcUp3IQYGHjVudwZ1bxsSWwwvHBJa) (reason: 550 Mail content denied [M0BS2NE0lcNPFO8ms6LElriMG8/m2PTJbMprLV2UxNoxEaenqmLaRcE= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 5.5.0 no such recipient - traian.ungureanu@europarl.europa.eu) (reason: 550 5.5.0 no such recipient - trevor.colman@europarl.europa.eu) (reason: 551 5.1.1 recipient is not exist) (reason: 553 Specified domain is not allowed(H5DHPJRVE94BRIAO) (user not exist).) (reason: 550 permanent failure for one or more recipients (training@wahkwong.com.hk:blocked)) ----- Transcript of session follows ----- 451 skhwc.org.hk: Name server timeout ... while talking to mx1.hc1709-19.eu.iphmx.com.: >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> DATA >> DATA >> DATA >> 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 mx3.sgict.gov.sg.: >>> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> DATA ... User unknown ... User unknown ... Deferred 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... while talking to idlabs-astar-edu-sg02b.mail.protection.outlook.com.: >>> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [SG2PEPF000B66CF.apcprd03.prod.outlook.com 2025-01-28T10:38:55.130Z 08DD3E685EE49CA8] 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout 451 skhwc.org.hk: Name server timeout ... Deferred: Connection timed out with mediasky.com.cn. ... while talking to mx1.sgict.gov.sg.: >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> DATA ... User unknown >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> DATA ... User unknown >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R2968S0710121229, maildocker-behaviorspam033038135233]: too frequently sendingCONTINUE ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R2968S0710121229, maildocker-behaviorspam033038135233]: too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1768S8010121229, maildocker-behaviorspam033037001229]: too frequently sendingCONTINUE ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R1768S8010121229, maildocker-behaviorspam033037001229]: too frequently sendingCONTINUE >> DATA >> DATA >> DATA >> DATA >> DATA ... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect 451 skhwc.org.hk: Name server timeout ... while talking to d509408.a.ess.au.barracudanetworks.com.: >>> DATA ... Deferred: 421 4.7.0 Not allowed. 550 5.1.2 ... Host unknown (Name server: .: host not found)