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I hate this. I have one email addy that repeatedly gives me a Human Verification needed error message and returns the email undelivered. I upgraded recently as directed and it has been ok for a few weeks. Now almost every email is returned and I have to thru several steps to retrieve it, go to yahoo web and re-send it.
This is driving me nuts. What's the
problem? and What's the solution?
Bugzilla
Wiki
Source
Enough ! 
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