PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameoutlook.com/pmta137-88
recipients2
kbytes53.0
active connections0
pausedno
modebackoff
backoff reason2026-04-04 19:05:11 "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=11BD1F5CDA77D974] [AM4PEPF00027A68.eurprd04.prod.outlook.com 2026-04-04T13:35:11.278Z 08DE8FAE71968741]" received from outlook-com.olc.protection.outlook.com (52.101.73.9) matching /mail.live.com/mail/troubleshooting.aspx/
next retry2026-04-04 20:05:41
Last Errors
timeerror
2026-04-04 19:05:41 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=11BD1F7541CA74A5] [DU2PEPF00028CFF.eurprd03.prod.outlook.com 2026-04-04T13:35:41.760Z 08DE8FBAA5329E4D]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.68.38)
2026-04-04 19:05:26 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:05:26 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=11BD1FB7860ABE2B] [AM4PEPF00027A6C.eurprd04.prod.outlook.com 2026-04-04T13:35:26.478Z 08DE8FDBC6E8F1FB]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 19:05:11 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:05:11 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=11BD1EACB5F16428] [AM4PEPF00027A67.eurprd04.prod.outlook.com 2026-04-04T13:35:11.373Z 08DE8F565FC7BDC4]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.73.9)
2026-04-04 19:05:11 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=11BD1F5CDA77D974] [AM4PEPF00027A68.eurprd04.prod.outlook.com 2026-04-04T13:35:11.278Z 08DE8FAE71968741]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.73.9)
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)
2026-04-04 18:04:56 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=11BD1B09E566FB31] [CH3PEPF00000010.namprd04.prod.outlook.com 2026-04-04T12:34:56.519Z 08DE8D84F8AC5942]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.194.5)
2026-04-04 18:04:40 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 18:04:40 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=11BD1E86C44E28D8] [CH3PEPF00000009.namprd04.prod.outlook.com 2026-04-04T12:34:40.648Z 08DE8F4365FD9BB3]" while connected from uranus.streamad.in (137.74.217.88) to outlook-com.olc.protection.outlook.com (52.101.194.5)
Recipient Events       (Deliveries: 0, Bounces: 15, Deferrals: 0)
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