PowerMTA™ 4.5r1 
mta.streamad.in 
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Domain Detail
nameyahoo.ca
recipients2
kbytes31.9
active connections0
Queues
vmta recipients kbytes connections paused mode % recipients
pmta213-146 1 27.5 0 no normal 0%
pmta51-55 1 4.4 0 no normal 0%
Last Errors
vmtatimeerror
pmta51-55 2026-06-17 08:21:52 Error: "421 4.7.0 [TSS04] Messages from 51.68.102.55 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from venus.streamad.in (51.68.102.55) to mta6.am0.yahoodns.net (67.195.228.109)
pmta213-146 2026-06-17 07:13:17 Error: "421 4.7.0 [TSS04] Messages from 213.32.59.146 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from sun.streamad.in (213.32.59.146) to mta6.am0.yahoodns.net (67.195.228.111)
pmta51-55 2026-06-17 04:21:51 Error: "421 4.7.0 [TSS04] Messages from 51.68.102.55 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from venus.streamad.in (51.68.102.55) to mta5.am0.yahoodns.net (98.136.96.91)
pmta213-146 2026-06-17 03:13:16 Error: "421 4.7.0 [TSS04] Messages from 213.32.59.146 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from sun.streamad.in (213.32.59.146) to mta5.am0.yahoodns.net (67.195.204.79)
pmta51-55 2026-06-17 00:21:50 Error: "421 4.7.0 [TSS04] Messages from 51.68.102.55 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from venus.streamad.in (51.68.102.55) to mta5.am0.yahoodns.net (98.136.96.74)
pmta213-146 2026-06-16 23:13:15 Error: "421 4.7.0 [TSS04] Messages from 213.32.59.146 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from sun.streamad.in (213.32.59.146) to mta7.am0.yahoodns.net (98.136.96.76)
pmta213-146 2026-06-16 19:13:14 Error: "421 4.7.0 [TSS04] Messages from 213.32.59.146 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from sun.streamad.in (213.32.59.146) to mta6.am0.yahoodns.net (67.195.228.111)