PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameoutlook.com/pmta5-150
recipients3
kbytes79.5
active connections0
pausedno
modebackoff
backoff reason2026-04-04 19:05:05 "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD1EACB5F16045] [AM4PEPF00027A67.eurprd04.prod.outlook.com 2026-04-04T13:35:05.986Z 08DE8F565FC7B7C2]" received from outlook-com.olc.protection.outlook.com (52.101.73.9) matching /mail.live.com/mail/troubleshooting.aspx/
next retry2026-04-04 20:05:51
Last Errors
timeerror
2026-04-04 19:05:36 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD1F0CA6CDB989] [SN1PEPF000252A2.namprd05.prod.outlook.com 2026-04-04T13:35:36.498Z 08DE8F8656E7753F]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.11.4)
2026-04-04 19:05:20 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:05:20 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD1F02D738607D] [AM4PEPF00027A6B.eurprd04.prod.outlook.com 2026-04-04T13:35:20.232Z 08DE8F81702A8CDB]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 19:05:06 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:05:06 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD1FB7860AB1E1] [AM4PEPF00027A6C.eurprd04.prod.outlook.com 2026-04-04T13:35:06.083Z 08DE8FDBC6E8DCA9]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 19:05:05 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD1EACB5F16045] [AM4PEPF00027A67.eurprd04.prod.outlook.com 2026-04-04T13:35:05.986Z 08DE8F565FC7B7C2]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 18:05:05 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD1EF31CEAD72B] [AMS1EPF00000040.eurprd04.prod.outlook.com 2026-04-04T12:35:05.387Z 08DE8F7992F72D36]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.73.7)
2026-04-04 18:04:50 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD15D8A5DB711F] [CH3PEPF0000000D.namprd04.prod.outlook.com 2026-04-04T12:34:50.253Z 08DE8AEC5BE08C8F]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.194.5)
2026-04-04 18:04:34 Error: "550 5.7.1 Unfortunately, messages from [5.135.250.150] 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=11BD15D8A5DB6A0B] [CH3PEPF0000000D.namprd04.prod.outlook.com 2026-04-04T12:34:34.627Z 08DE8AEC5BE08080]" while connected from mercury.streamad.in (5.135.250.150) to outlook-com.olc.protection.outlook.com (52.101.194.5)
2026-04-04 18:04:18 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
Recipient Events       (Deliveries: 0, Bounces: 15, Deferrals: 0)
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