PowerMTA™ 4.5r1 
mta.streamad.in 

Top 10 queues in virtual MTA "pmta178-143" by number of recipients

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Name #Rcpt KBytes #Conn Paused Mode Last Error
gmail.com/pmta178-143 576 12,177.1 0 no normal 2026-04-04 17:27:19 message rate limit reached (based on queue's max-msg-rate in configuration) (10x)
yahoo.com/pmta178-143 136 3,781.1 0 no normal 2026-04-04 15:42:43 Error: "421 4.7.0 [TSS04] Messages from 178.32.206.143 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from jupiter.streamad.in (178.32.206.143) to mta5.am0.yahoodns.net (98.136.96.74)
yahoo.co.in/pmta178-143 86 2,278.3 0 no normal 2026-04-04 18:03:49 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 178.32.206.143 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from jupiter.streamad.in (178.32.206.143) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74)
hotmail.com/pmta178-143 19 503.3 2 no normal 2026-04-04 18:05:35 Error: "451 4.7.652 The mail server [178.32.206.143] has exceeded the maximum number of connections. (S3115) [Name=Protocol Filter Agent][AGT=PFA][MxId=11BD1EEBBFC5EB4B] [BN1PEPF0000468B.namprd05.prod.outlook.com 2026-04-04T12:35:35.448Z 08DE8F75E353205D]" while connected from jupiter.streamad.in (178.32.206.143) to hotmail-com.olc.protection.outlook.com (52.101.10.11)
yahoo.in/pmta178-143 11 291.3 0 no normal 2026-04-04 18:04:01 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 178.32.206.143 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from jupiter.streamad.in (178.32.206.143) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74)
bcasonline.org/pmta178-143 2 53.0 0 no backoff   
msaca.com/pmta178-143 2 53.0 0 no normal 2026-04-04 18:03:19 Timed out, status = ETIMEDOUT while connecting from jupiter.streamad.in (178.32.206.143) to mail.msaca.com (103.195.185.3)
aacaglobal.in/pmta178-143 1 26.5 0 no normal   
alphaequitymc.com/pmta178-143 1 26.5 0 no normal   
arthvrittcapital.com/pmta178-143 1 26.5 0 no normal   

10 of 14 matching queues.

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