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How does Yahoo Mail classify spam?

Posted by: Nirmal in Technology, Yahoo April 9, 2007 9 Comments 49 Views

YahooI have been using the Yahoo mail for last 6 years or so. Previously Yahoo mail had the folder named bulk mails and I used to get 100s of bulk mail during the recent times. When Yahoo mail beta was launched I too moved on to the latest version. This version has the folder called spam instead of bulk mails. I never used to check the bulk mails, until the folder was renamed to spam.

Now the question is how does Yahoo mail classify mails as spam? I have been randomly checking the spam mails and recently I found out that many of the mails sent from my friends have gone to spam folder! The interesting catch in this is that these mails were sent from Gmail Ids. Further, the approval mail from Google Adsense, when I joined Adsense, also went to spam folder and infact I was wondering why there was no reply from Google about my application status. :grin:

Still no idea how those were mails were treated as spam. Is it because of the presence of too many links in the mail or is it because of the names of the senders? But now I make it sure that I go through spam mails before I delete them.

Comments welcome. :grin:

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About Nirmal

Nirmal is a Technology Blogger and a Microsoft MVP in Windows. He can be contacted at nirmal@nirmaltv.com. You can find Nirmal on , and .
  • http://www.blueflux.net Shawn

    Yahoo probably has their own spam engine. And there can be multiple factors in tagging an email as a spam such as domain name, originating IP, header information, email path (yes some backbone routers can be identified as spam senders and if originating email took that router in it’s path then it can be identified as a spam) etc. As far as google goes, I figured google emails are considered a lot as spam even with other email services like Hotmail. Just whitelist them by adding them to safe senders list.

  • http://simpleinfo.blogspot.com Ajith

    Is he from Yahoo.. I wonder …
    I had changed to Gmail many years before.. so spam filtering is really brilliant

  • http://www.nirmaltv.com nirmaltv

    @Shawn,
    You are right, many of the mails from Google are considered spam.

    @Ajith,
    Gmail has a wonderful spam filter, but I cant dump yahoo mail so soon for Gmail, that y still using Yahoo more than Gmail :grin:

  • http://www.techtipsguru.com/ Tech Tips Guru

    I recommend using Gmail for all google related accounts such as Adsense. It ensures that emails will never go to spam.

    You can then enable auto forward from Gmail to Yahoo mail! If that appears as spam, tag it as Not Spam and thatz it.

  • http://www.nirmaltv.com nirmaltv

    @ Tech Tips Guru,
    Thanks for the tip. :smile:

  • http://www.shaarique.com Sharique

    Yahoo mail not only marks gmail messages as spam but on occasions it doesn’t even deliver messages! I have finally moved to gmail totally. I even wrote a post on this yahoo problem which was picked up the development team :mrgreen:

  • http://www.nirmaltv.com nirmaltv

    I’m also in the process of shifting to Gmail, but I have a few groups subscribed to Yahoo, thats why still using it. :smile:

  • Pingback: Too much of Spam! | -| Life Rocks ! 2.0 |-

  • http://www.unproblogger.com Lito|UnProBlogger.Com

    I’m also wondering if my newsletters sent to my subscribers using Yahoo Mail can read my newsletters. I was surprised because I tested my own yahoo email for my newsletters and it went directly to my spam folder! I hope changing my reply-to email will do the trick but I’m afraid Yahoo have flagged my domain too. Do you guys have any solution to unspam my newsletters on my end?

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