PowerMTA™ 4.5r8 
host.dizifrost.com 

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Queue Detail
namebellsouth.net/pmta-vmta3
recipients37
kbytes441.9
active connections0
pausedno
modenormal
backoff reason 
next retry2025-07-18 07:55:09
Last Errors
timeerror
2025-07-18 06:55:09 SMTP service unavailable: "421 4.7.0 [TSS04] Messages from 216.117.173.185 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 (98.137.26.68) while connected from api3.dizifrost.com (216.117.173.185) to mx-att.mail.am0.yahoodns.net (98.137.26.68)
2025-07-18 06:54:36 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:54:07 message rate limit reached (based on queue's max-msg-rate in configuration)
2025-07-18 06:53:06 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:52:35 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:52:06 message rate limit reached (based on queue's max-msg-rate in configuration)
2025-07-18 06:51:07 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:50:06 message rate limit reached (based on queue's max-msg-rate in configuration)
2025-07-18 06:49:06 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
2025-07-18 06:48:05 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
Recipient Events       (Deliveries: 20, Bounces: 1, Deferrals: 0)
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