The original message was received at Tue, 28 Jan 2025 11:19:46 +0100 from [165.154.252.200] ----- The following addresses had permanent fatal errors ----- (reason: 550 5.4.1 Recipient address rejected: Access denied. [DU6PEPF0000A7E2.eurprd02.prod.outlook.com 2025-01-28T10:24:20.665Z 08DD3F7715D53642]) (reason: 550 Host unknown) (reason: 550 Message contained spam content (antispamcloud.spam.nwsjnk21)) (reason: 550 Mail content denied [OGqA/Ptf1JSO4k8oFnsAG57hndrz67JRta2dnhWRGVrUMmKosSxpdt4= 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) (reason: 550 Host unknown) (reason: 550 Mail content denied [M0BS2NE0lcNPLLOsTe6rMqTKX4sjxQJTq++9cYymXcOniNPr8WLfEaU= IP: 83.138.65.30]. https://open.work.weixin.qq.com/help2/pc/20056.) (reason: 550 permanent failure for one or more recipients (sesw@ywca.org.hk:blocked)) ----- Transcript of session follows ----- ... Deferred: Connection timed out with 21.cad.cn. ... Deferred: Connection timed out with 301-alias.cdn300.cn. ... while talking to centralcervejas-pt.mail.protection.outlook.com.: >>> DATA ... User unknown 550 5.1.2 ... Host unknown (Name server: chinashuangfu.com.cn: host not found) 451 4.4.1 reply: read error from mx1.cleanmx.pt. ... Deferred: Connection timed out with mx1.cleanmx.pt. ... while talking to mx2.cleanmx.pt.: >>> DATA >> DATA : Recipient address rejected: Service is unavailable (try later) ... Deferred: 450 4.7.1 : Recipient address rejected: Service is unavailable (try later) >> DATA >> RCPT To: ... Deferred: 452 Too many recipients received this hour >>> DATA >> DATA ... Deferred: 451 4.7.500 Server busy. Please try again later from [83.138.65.30]. (AS780082) [SG2PEPF000B66CE.apcprd03.prod.outlook.com 2025-01-28T10:27:49.848Z 08DD3E2A8D8AA5EA] ... Deferred: Connection timed out with jabo.com.cn. ... while talking to mx1.smtp.goog.: >>> DATA >> DATA >> DATA >> DATA ,... Deferred: 421-4.7.28 Gmail has detected an unusual rate of unsolicited mail. To protect 550 5.1.2 ... Host unknown (Name server: nmpires.pt: host not found) ... while talking to mx.mail.ym.163.com.: >>> DATA ... User unknown >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R9369S3010121220, maildocker-behaviorspam033045032255]: much too frequently sendingCONTINUE >> DATA ... Deferred: 454 Transient reject by behaviour spam at Rcpt State(Connection IP address:83.138.65.30)ANTISPAM_BAT[01201311R2069S8210121220, maildocker-behaviorspam033018096094]: much too frequently sendingCONTINUE ... Host unknown (Name server: shufunoonno.co.jp: host not found) ... while talking to aspmx.l.google.com.: >>> 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 mxbiz1.qq.com.: >>> DATA ... Deferred: 421 4.7.0 Not allowed. 550 5.1.2 ... Host unknown (Name server: .: host not found) ... while talking to d268813a.ess.barracudanetworks.com.: >>> DATA