PowerMTA™ 4.5r8 
host.dizifrost.com 

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Domain Detail
namebellsouth.net
recipients39
kbytes457.6
active connections0
Queues
vmta recipients kbytes connections paused mode % recipients
pmta-vmta3 33 403.9 0 no normal 0%
pmta-vmta2 6 53.7 0 no normal 0%
Last Errors
vmtatimeerror
pmta-vmta2 2025-07-18 08:32:11 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 (98.138.3.192) while connected from api2.dizifrost.com (216.117.152.147) to mx-att.mail.am0.yahoodns.net (98.138.3.192)
pmta-vmta2 2025-07-18 08:31:41 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:31:12 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:30:12 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:29:12 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:28:40 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:28:10 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:27:40 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:27:11 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta2 2025-07-18 08:26:11 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta3 2025-07-18 07:59:13 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)
pmta-vmta3 2025-07-18 07:58:14 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta3 2025-07-18 07:57:14 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta3 2025-07-18 07:56:14 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta3 2025-07-18 07:55:43 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta3 2025-07-18 07:55:14 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta3 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)
pmta-vmta3 2025-07-18 06:54:36 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)
pmta-vmta3 2025-07-18 06:54:07 message rate limit reached (based on queue's max-msg-rate in configuration)
pmta-vmta3 2025-07-18 06:53:06 message rate limit reached (based on VirtualMTA's or pool's max-smtp-msg-rate in configuration)