Hi,
After several years helping our customers deliver their emails I never had to really worry about Yahoo. If the campaigns were awful mails would not get delivered but other than that it was not a concern. A few days ago one pool of IPs started getting "421 4.7.0 [TSS04] Messages from X.X.X.X temporarily deferred due to user complaints" for no apparent reason. Moreover, only some IPs inside the pool got this message and some other did not. I can not get these IPs to get back to "normal". So this was the first time I used Yahoo's contact form. And I have used it several times since. They sometimes answer back to ask you to write the same thing you wrote in the form and then it always ends with the same pre-typed response. You can not get any bit of information or help from them. So I was just wondering : did someone ever manage to get a helpful answer ? Is it even worth writing to them ? Thank you for your help ! Mathieu.
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