PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameoutlook.com/pmta51-55
recipients2
kbytes53.0
active connections0
pausedno
modebackoff
backoff reason2026-04-04 19:04:50 "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1EAA592360CE] [DU2PEPF00028D12.eurprd03.prod.outlook.com 2026-04-04T13:34:50.843Z 08DE8F553155DE15]" received from outlook-com.olc.protection.outlook.com (52.101.68.28) matching /mail.live.com/mail/troubleshooting.aspx/
next retry2026-04-04 20:05:20
Last Errors
timeerror
2026-04-04 19:05:20 Error: "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1EACB5F16A13] [AM4PEPF00027A67.eurprd04.prod.outlook.com 2026-04-04T13:35:20.454Z 08DE8F565FC7C808]" while connected from venus.streamad.in (51.68.102.55) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 19:05:05 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:05:05 Error: "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1F277FB1B54F] [AM4PEPF00027A65.eurprd04.prod.outlook.com 2026-04-04T13:35:05.176Z 08DE8F93C4523CEF]" while connected from venus.streamad.in (51.68.102.55) 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 [51.68.102.55] 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=11BD1EF3F5992121] [DU2PEPF00028D11.eurprd03.prod.outlook.com 2026-04-04T13:34:50.994Z 08DE8F79FF57953E]" while connected from venus.streamad.in (51.68.102.55) to outlook-com.olc.protection.outlook.com (52.101.68.28)
2026-04-04 19:04:50 Error: "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1EAA592360CE] [DU2PEPF00028D12.eurprd03.prod.outlook.com 2026-04-04T13:34:50.843Z 08DE8F553155DE15]" while connected from venus.streamad.in (51.68.102.55) to outlook-com.olc.protection.outlook.com (52.101.68.28)
2026-04-04 18:04:50 Error: "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1E86C44E2D26] [CH3PEPF00000009.namprd04.prod.outlook.com 2026-04-04T12:34:50.749Z 08DE8F4365FDA3A5]" while connected from venus.streamad.in (51.68.102.55) to outlook-com.olc.protection.outlook.com (52.101.194.5)
2026-04-04 18:04:34 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 18:04:34 Error: "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1E86C44E25C4] [CH3PEPF00000009.namprd04.prod.outlook.com 2026-04-04T12:34:34.814Z 08DE8F4365FD968B]" while connected from venus.streamad.in (51.68.102.55) to outlook-com.olc.protection.outlook.com (52.101.194.5)
2026-04-04 18:04:19 Error: "550 5.7.1 Unfortunately, messages from [51.68.102.55] 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=11BD1EC1AFFCE06E] [CO1PEPF000066E6.namprd05.prod.outlook.com 2026-04-04T12:34:19.564Z 08DE8F60DBBEF198]" while connected from venus.streamad.in (51.68.102.55) to outlook-com.olc.protection.outlook.com (52.101.42.17)
Recipient Events       (Deliveries: 0, Bounces: 12, Deferrals: 0)
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