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Hi,
Check if email address really exist or not using asp.net 3.5 .for all email ids gmail,yahoo,etc..pls help me.

Thanks
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hi,

where you check? wether you check database or gmail,yahoo,live....etc

if you check database implement BusinessLogic for checking table in your databse

if you check programmatically read below article

Programmatically check gmail,yahoo,live....etc[^]
   
read this[^]
but remember most ISP have VRFY command set off and address cannot be verified. This is done to prevent spamming.
   

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