PowerMTA™ 4.5r1 
mta.streamad.in 
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Queue Detail
nameymail.com/pmta54-159
recipients3
kbytes82.6
active connections0
pausedno
modenormal
backoff reason 
next retry2026-06-17 11:14:01
Last Errors
timeerror
2026-06-17 07:14:01 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 mta6.am0.yahoodns.net (98.136.96.91)
2026-06-17 07:14:00 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 mta6.am0.yahoodns.net (98.136.96.91)
2026-06-17 03:13:59 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 mta5.am0.yahoodns.net (98.136.96.75)
2026-06-17 03:13:58 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 mta5.am0.yahoodns.net (98.136.96.75)
2026-06-16 23:13:57 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 mta7.am0.yahoodns.net (67.195.204.79)
2026-06-16 23:13:56 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 mta7.am0.yahoodns.net (67.195.204.79)
2026-06-16 23:13:03 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-16 23:13:03 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 54.36.75.159 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from ceres.streamad.in (54.36.75.159) to mta5.am0.yahoodns.net (67.195.204.72)
2026-06-16 23:13:02 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-16 23:13:02 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 54.36.75.159 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from ceres.streamad.in (54.36.75.159) to mta7.am0.yahoodns.net (98.136.96.76)
Recipient Events       (Deliveries: 0, Bounces: 11, Deferrals: 7)
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