Email Verifier

Hi I would like to know if there is any way that you can verify that a email address actually exists like using this tool: http://verify-email.org/. Can someone please help me with this i'am new to porgramming in general and would like to wirte an application that does this in visual basics.

Thanks Please help me!

A small search resulted in the following code:

Code:

---

Function IsEmail(Byval email as string) as boolean
    Static emailExpression As New Regex("^[_a-z0-9-]+(.[a-z0-9-]+)@[a-z0-9-]+(.[a-z0-9-]+)*(.[a-z]{2,4})$")

    return emailExpression.IsMatch(email)
End Function

---

I know how to make sure it's in the correct format but I want to actually see if it exists. But thanks for your help anyway

Oh I'm sorry, I misread. I don't know the solution I'm afraid.

me neather, but I need it so bad. Got a company that wants me to write a program to verify all their emails before they get sent.

This might be interesting:
http://vbcity.com/forums/t/148422.aspx
but it provides no solution.

thanks