PowerMTA™ 4.5r1 
mta.streamad.in 

Top 10 queues in virtual MTA "pmta137-88" by number of recipients

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Name #Rcpt KBytes #Conn Paused Mode Last Error
gmail.com/pmta137-88 570 11,869.2 0 no normal 2026-04-04 17:51:56 message rate limit reached (based on queue's max-msg-rate in configuration) (2x)
yahoo.com/pmta137-88 114 2,878.3 0 no normal 2026-04-04 14:26:32 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 137.74.217.88 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from uranus.streamad.in (137.74.217.88) to mta7.am0.yahoodns.net (67.195.228.111)
yahoo.co.in/pmta137-88 89 2,357.7 0 no normal 2026-04-04 18:03:39 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 137.74.217.88 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from uranus.streamad.in (137.74.217.88) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74)
hotmail.com/pmta137-88 85 2,251.6 0 no backoff 2026-04-04 18:04:56 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
yahoo.in/pmta137-88 16 423.7 0 no normal 2026-04-04 18:03:38 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 137.74.217.88 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from uranus.streamad.in (137.74.217.88) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74)
live.com/pmta137-88 6 158.9 0 no backoff 2026-04-04 18:05:05 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
outlook.com/pmta137-88 6 159.0 0 no backoff 2026-04-04 18:05:11 Error: "550 5.7.1 Unfortunately, messages from [137.74.217.88] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [Name=Protocol Filter Agent][AGT=PFA][MxId=11BD1EF31CEADBB9] [AMS1EPF00000040.eurprd04.prod.outlook.com 2026-04-04T12:35:11.694Z 08DE8F7992F73455]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.73.7)
bcasonline.org/pmta137-88 3 79.5 0 no backoff   
ymail.com/pmta137-88 3 79.4 0 no normal 2026-04-04 18:04:08 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 137.74.217.88 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from uranus.streamad.in (137.74.217.88) to mta7.am0.yahoodns.net (67.195.228.109)
bogharaca.com/pmta137-88 1 26.5 0 no normal   

10 of 19 matching queues.

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