PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameoutlook.com/pmta51-51
recipients2
kbytes53.0
active connections0
pausedno
modebackoff
backoff reason2026-04-04 19:04:36 "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1F471B2BFE5B] [DU2PEPF00028D0C.eurprd03.prod.outlook.com 2026-04-04T13:34:36.568Z 08DE8FA391F3EB3F]" received from outlook-com.olc.protection.outlook.com (52.101.68.28) matching /mail.live.com/mail/troubleshooting.aspx/
next retry2026-04-04 20:05:07
Last Errors
timeerror
2026-04-04 19:05:06 Error: "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1F277FB1B6C4] [AM4PEPF00027A65.eurprd04.prod.outlook.com 2026-04-04T13:35:06.995Z 08DE8F93C4523F43]" while connected from planet.streamad.in (51.68.67.51) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 19:04:51 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:04:51 Error: "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1F78BD407118] [DU2PEPF00028D0D.eurprd03.prod.outlook.com 2026-04-04T13:34:51.884Z 08DE8FBC62D2661A]" while connected from planet.streamad.in (51.68.67.51) to outlook-com.olc.protection.outlook.com (52.101.68.28)
2026-04-04 19:04:36 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:04:36 Error: "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1E704C876CF0] [DU2PEPF00028D0F.eurprd03.prod.outlook.com 2026-04-04T13:34:36.727Z 08DE8F382B4C1436]" while connected from planet.streamad.in (51.68.67.51) to outlook-com.olc.protection.outlook.com (52.101.68.28)
2026-04-04 19:04:36 Error: "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1F471B2BFE5B] [DU2PEPF00028D0C.eurprd03.prod.outlook.com 2026-04-04T13:34:36.568Z 08DE8FA391F3EB3F]" while connected from planet.streamad.in (51.68.67.51) to outlook-com.olc.protection.outlook.com (52.101.68.28)
2026-04-04 18:04:20 Error: "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1EDF151BE8EE] [CO1PEPF000066EA.namprd05.prod.outlook.com 2026-04-04T12:34:20.202Z 08DE8F6F8E353F80]" while connected from planet.streamad.in (51.68.67.51) to outlook-com.olc.protection.outlook.com (52.101.42.17)
2026-04-04 18:04:05 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 18:04:05 Error: "550 5.7.1 Unfortunately, messages from [51.68.67.51] 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=11BD1F36B65B7877] [CO1PEPF000066EB.namprd05.prod.outlook.com 2026-04-04T12:34:04.969Z 08DE8F9B5EA25098]" while connected from planet.streamad.in (51.68.67.51) to outlook-com.olc.protection.outlook.com (52.101.42.17)
2026-04-04 18:03:48 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
Recipient Events       (Deliveries: 0, Bounces: 11, Deferrals: 0)
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