PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameyahoo.co.in/pmta54-159
recipients176
kbytes4,662.5
active connections0
pausedno
modenormal
backoff reason 
next retry2026-04-04 20:07:14
Last Errors
timeerror
2026-04-04 19:37:14 Error: "421 4.7.0 [TSS04] Messages from 54.36.75.159 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from ceres.streamad.in (54.36.75.159) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74) (9x)
2026-04-04 19:36:31 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-04-04 19:36:31 Error: "421 4.7.0 [TSS04] Messages from 54.36.75.159 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from ceres.streamad.in (54.36.75.159) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-04-04 19:36:31 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-04-04 19:36:31 Error: "421 4.7.0 [TSS04] Messages from 54.36.75.159 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from ceres.streamad.in (54.36.75.159) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-04-04 19:36:31 message rate limit reached (based on queue's max-msg-rate in configuration) (6x)
2026-04-04 19:36:31 Error: "421 4.7.0 [TSS04] Messages from 54.36.75.159 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from ceres.streamad.in (54.36.75.159) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-04-04 19:36:30 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-04-04 19:36:30 Error: "421 4.7.0 [TSS04] Messages from 54.36.75.159 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from ceres.streamad.in (54.36.75.159) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-04-04 19:36:29 Error: "421 4.7.0 [TSS04] Messages from 54.36.75.159 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from ceres.streamad.in (54.36.75.159) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73) (9x)
Recipient Events       (Deliveries: 0, Bounces: 0, Deferrals: 50)
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