PowerMTA™ 4.5r1 
mta.streamad.in 

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Queue Detail
nameyahoo.in/pmta137-88
recipients17
kbytes441.1
active connections0
pausedno
modenormal
backoff reason 
next retry2026-04-04 22:03:38
Last Errors
timeerror
2026-04-04 18:03:38 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 bcsonline.org.in with ip 137.74.217.88 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from uranus.streamad.in (137.74.217.88) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74)
2026-04-04 18:03:22 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 bcsonline.org.in with ip 137.74.217.88 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information." while connected from uranus.streamad.in (137.74.217.88) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74)
Recipient Events       (Deliveries: 1, Bounces: 2, Deferrals: 0)
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