UPDATE: Spike in Yahoo unknown users


I still don’t have any solid information on the cause of the Yahoo bounces. I do know that folks inside Yahoo are looking into the issue.
However, multiple people (including my clients) are reporting that the addresses that are bouncing have very recent click and open activity. Other reports say these addresses deliver on a resend.
It looks like my advice yesterday was incorrect. I’m currently telling clients to continue mailing addresses for the time being.

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  • Any updates on this?
    I finally seen the bounces level off over the weekend, not going up anymore.
    Now they are all showing as suspended whereas before were showing as unknown.
    I too have experienced the same thing where these addresses bounced but the day prior had opened.

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