PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameyahoo.com/pmta51-206
recipients194
kbytes5,342.5
active connections0
pausedno
modenormal
backoff reason 
next retry2026-06-17 08:40:26
Last Errors
timeerror
2026-06-17 08:39:27 message rate limit reached (based on queue's max-msg-rate in configuration) (5x)
2026-06-17 08:39:27 Error: "421 4.7.0 [TSS04] Messages from 51.254.4.206 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from pluto.streamad.in (51.254.4.206) to mta5.am0.yahoodns.net (67.195.228.110)
2026-06-17 08:39:26 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 08:39:26 Error: "421 4.7.0 [TSS04] Messages from 51.254.4.206 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from pluto.streamad.in (51.254.4.206) to mta5.am0.yahoodns.net (67.195.228.110)
2026-06-17 08:39:26 Error: "421 4.7.0 [TSS04] Messages from 51.254.4.206 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from pluto.streamad.in (51.254.4.206) to mta7.am0.yahoodns.net (98.136.96.77) (2x)
2026-06-17 08:39:26 Error: "421 4.7.0 [TSS04] Messages from 51.254.4.206 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from pluto.streamad.in (51.254.4.206) to mta6.am0.yahoodns.net (67.195.204.77) (2x)
2026-06-17 08:38:26 message rate limit reached (based on queue's max-msg-rate in configuration) (2x)
2026-06-17 08:38:25 message rate limit reached (based on queue's max-msg-rate in configuration) (2x)
2026-06-17 08:38:25 Error: "421 4.7.0 [TSS04] Messages from 51.254.4.206 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from pluto.streamad.in (51.254.4.206) to mta5.am0.yahoodns.net (67.195.228.94)
2026-06-17 08:38:25 message rate limit reached (based on queue's max-msg-rate in configuration)
Recipient Events       (Deliveries: 0, Bounces: 0, Deferrals: 50)
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