PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameyahoo.in/pmta51-167
recipients23
kbytes633.4
active connections0
pausedno
modenormal
backoff reason 
next retry2026-06-17 11:19:56
Last Errors
timeerror
2026-06-17 07:19:56 Error: "421 4.7.0 [TSS04] Messages from 51.68.59.167 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from neptune.streamad.in (51.68.59.167) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74) (3x)
2026-06-17 07:18:56 message rate limit reached (based on queue's max-msg-rate in configuration) (3x)
2026-06-17 07:18:54 Error: "421 4.7.0 [TSS04] Messages from 51.68.59.167 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from neptune.streamad.in (51.68.59.167) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74) (6x)
2026-06-17 07:17:54 message rate limit reached (based on queue's max-msg-rate in configuration) (3x)
2026-06-17 07:17:53 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 07:17:53 Error: "421 4.7.0 [TSS04] Messages from 51.68.59.167 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from neptune.streamad.in (51.68.59.167) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-06-17 07:17:53 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 07:17:53 Error: "421 4.7.0 [TSS04] Messages from 51.68.59.167 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from neptune.streamad.in (51.68.59.167) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-06-17 07:17:53 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 07:17:53 Error: "421 4.7.0 [TSS04] Messages from 51.68.59.167 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from neptune.streamad.in (51.68.59.167) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73) (4x)
Recipient Events       (Deliveries: 0, Bounces: 1, Deferrals: 46)
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