PowerMTA™ 4.5r8 
host.dizifrost.com 

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Queue Detail
namebellsouth.net/pmta-vmta2
recipients15
kbytes124.3
active connections0
pausedno
modenormal
backoff reason 
next retry2025-07-18 07:18:56
Last Errors
timeerror
2025-07-18 06:18:56 SMTP service unavailable: "421 4.7.0 [TSS04] Messages from 216.117.152.147 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" received from mx-att.mail.am0.yahoodns.net (74.6.144.41) while connected from api2.dizifrost.com (216.117.152.147) to mx-att.mail.am0.yahoodns.net (74.6.144.41)
2025-07-18 06:17:56 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:16:56 message rate limit reached (based on queue's max-msg-rate in configuration)
2025-07-18 06:15:56 message rate limit reached (based on queue's max-msg-rate in configuration)
2025-07-18 06:15:25 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:14:56 message rate limit reached (based on queue's max-msg-rate in configuration)
2025-07-18 06:13:56 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:12:56 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:11:55 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:11:44 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
Recipient Events       (Deliveries: 39, Bounces: 1, Deferrals: 0)
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