PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
namehotmail.com/pmta137-88
recipients50
kbytes1,475.0
active connections0
pausedno
modebackoff
backoff reason2025-09-12 02:00:52 "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=11BBE150BFA8E5C7] [AM2PEPF0001C70C.eurprd05.prod.outlook.com 2025-09-11T20:30:52.949Z 08DDF0A8612558FE]" received from hotmail-com.olc.protection.outlook.com (52.101.73.20) matching /mail.live.com/mail/troubleshooting.aspx/
next retry2025-09-12 02:47:04
Last Errors
timeerror
2025-09-12 02:46:05 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2025-09-12 02:46:05 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=11BBE1333DE4FD35] [SJ1PEPF00001CDC.namprd05.prod.outlook.com 2025-09-11T21:16:04.986Z 08DDF099A01DBB15]" while connected from uranus.streamad.in (137.74.217.88) to hotmail-com.olc.protection.outlook.com (52.101.41.1)
2025-09-12 02:46:04 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (9x)
2025-09-12 02:45:03 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2025-09-12 02:45:03 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=11BBE10D9C8A0434] [DB1PEPF000509EE.eurprd03.prod.outlook.com 2025-09-11T21:15:03.412Z 08DDF086CFDE48D6]" while connected from uranus.streamad.in (137.74.217.88) to hotmail-com.olc.protection.outlook.com (52.101.68.9)
2025-09-12 02:45:03 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (9x)
2025-09-12 02:44:04 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2025-09-12 02:44:04 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=11BBE00A7FF84CF0] [CY4PEPF0000EE39.namprd03.prod.outlook.com 2025-09-11T21:14:03.948Z 08DDF00541FEC826]" while connected from uranus.streamad.in (137.74.217.88) to hotmail-com.olc.protection.outlook.com (52.101.40.7)
2025-09-12 02:44:03 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (9x)
2025-09-12 02:43:03 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (2x)
Recipient Events       (Deliveries: 4, Bounces: 46, Deferrals: 0)
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