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Author Topic: Yahoo error TSSO5  (Read 967 times)

deliman

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Yahoo error TSSO5
« on: June 04, 2019, 10:57:23 PM »

Hi

Why yahoo see: smtp;421 4.7.0 [TSS05] Messages from x.x.x.x temporarily deferred due to user complaints - 4.16.55.1; see https://help.yahoo.com/kb/postmaster/SLN3326.html ?


TSS05??

Thanks!!
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Maarten Oelering

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Re: Yahoo error TSSO5
« Reply #1 on: June 05, 2019, 03:11:23 AM »

This is a temporary error used to limit the traffic accepted from your IP. The exact cause is something only Yahoo knows, but it is probably reputation related. You should check the quality of the list, the content, complaint levels, and reputation of the IP. Volume spikes might be an issue.
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deliman

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Re: Yahoo error TSSO5
« Reply #2 on: June 05, 2019, 01:16:49 PM »

Thanks!!  :)
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