Have you ever experienced any fraud attack to your yahoo email ? Then I can assure you this is the ultimate solution to spurn those fraud attempts. No allay experiencing yahoo mail after adding sign in seal. Recently you can see a menu on the top of yahoo login box.
This is the tip to add your own sign in seal. We can add either a text seal or a image seal. Both are same in its functionality but change in the view level. Anyways let me explain how can we add sign in seal using image.
Step 1
Click on the radio button named upload an image.
Step 2
Browse a picture lets say your picture from your local system. Click on the preview button, it will start uploading. You will get your sign in seal ready.
Step 3
Click on save this seal button, now your sign in seal prepared and ready for use. Now just go through the yahoomail home page. Your login page is signed with your own sign in seal. Check out yahoomail home page in other browser too. It will work 
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Since all of us using there own sign in seal no one can tamper its security. Cool concept right ? B-)
Hii, This sign in seal teachnique in yahoomail is interesting…..Very Thanks for your tip…
Admin, but this is machine depe ndant i guess. Our seal will change with the change of system we use to browse.
Is it so??
@SAF Yes. That is right machine dependent, since the seal is saving in the client machine as a cookie.
I don’t have any idea of what this is. But, I thought I could put my mind in on it