PowerMTA™ 4.5r1 
mta.streamad.in 
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Queue Detail
nameyahoo.com/pmta51-206
recipients316
kbytes8,259.7
active connections0
pausedno
modenormal
backoff reason 
next retry2026-04-04 21:34:54
Last Errors
timeerror
2026-04-04 17:33:55 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF agrimmarketing.com with ip 51.254.4.206 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from pluto.streamad.in (51.254.4.206) to mta6.am0.yahoodns.net (67.195.204.73)
2026-04-04 17:32:56 message rate limit reached (based on queue's max-msg-rate in configuration) (4x)
2026-04-04 17:32:55 message rate limit reached (based on queue's max-msg-rate in configuration) (2x)
2026-04-04 17:31:56 message rate limit reached (based on queue's max-msg-rate in configuration)
2026-04-04 17:31:56 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF agrimcollection.com with ip 51.254.4.206 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from pluto.streamad.in (51.254.4.206) to mta6.am0.yahoodns.net (67.195.228.94)
2026-04-04 17:31:55 message rate limit reached (based on queue's max-msg-rate in configuration) (5x)
2026-04-04 17:31:54 Error: "550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires all senders to authenticate with either SPF or DKIM. Authentication results: DKIM = FAILURE - SPF agrimcollection.com with ip 51.254.4.206 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from pluto.streamad.in (51.254.4.206) to mta5.am0.yahoodns.net (67.195.204.79)
2026-04-04 13:31:52 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 (67.195.204.74)
2026-04-04 13:31:52 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 (98.136.96.76)
2026-04-04 13:31:52 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 (98.136.96.75)
Recipient Events       (Deliveries: 21, Bounces: 29, Deferrals: 0)
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