How to creare authorised email verification in asp.net c#?

Question

http://www.c-sharpcorner.com/uploadfile/40e97e/verify-email-online/

 

Already use this one but this verify only domain.

Answer 1

 Hi Raja,

 

 Use Closedxml for reading and writting excel file it is quite easy to use 

 

https://closedxml.codeplex.com/wikipage?title=Showcase&referringTitle=Home

 

https://closedxml.codeplex.com/documentation