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Queue Detail
namehotmail.com/pmta51-55
recipients96
kbytes2,533.8
active connections0
pausedno
modebackoff
backoff reason2026-04-04 19:04:03 "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=11BD1EC587EA061A] [MWH0EPF000C618A.namprd02.prod.outlook.com 2026-04-04T13:34:03.427Z 08DE8F62C7987B43]" received from hotmail-com.olc.protection.outlook.com (52.101.50.9) matching /mail.live.com/mail/troubleshooting.aspx/
next retry2026-04-04 19:55:32
Last Errors
timeerror
2026-04-04 19:54:32 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:54:32 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=11BD1F2BA689ED20] [BL02EPF0001A104.namprd05.prod.outlook.com 2026-04-04T14:24:32.212Z 08DE8F95D6B3118B]" while connected from venus.streamad.in (51.68.102.55) to hotmail-com.olc.protection.outlook.com (52.101.9.13)
2026-04-04 19:54:32 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (4x)
2026-04-04 19:53:31 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:53:31 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=11BD1EB013B826CF] [DS3PEPF000099E2.namprd04.prod.outlook.com 2026-04-04T14:23:31.179Z 08DE8F580D9B5726]" while connected from venus.streamad.in (51.68.102.55) to hotmail-com.olc.protection.outlook.com (52.101.8.35)
2026-04-04 19:53:31 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (4x)
2026-04-04 19:52:30 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
2026-04-04 19:52:30 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=11BD1E757C2101E4] [BN1PEPF00004683.namprd03.prod.outlook.com 2026-04-04T14:22:30.410Z 08DE8F3AC21AAD5F]" while connected from venus.streamad.in (51.68.102.55) to hotmail-com.olc.protection.outlook.com (52.101.10.3)
2026-04-04 19:52:30 message rate limit reached (based on queue's backoff-max-msg-rate in configuration) (4x)
2026-04-04 19:51:29 message rate limit reached (based on queue's backoff-max-msg-rate in configuration)
Recipient Events       (Deliveries: 0, Bounces: 50, Deferrals: 0)
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