How to verify if a email address exists?

Question

Is there any possible way to find out if an email address exists in c#?

e.g. I have an email address like abcded@yahoo.com or asdf234@hotmail.com How can I do the va

Answer 1

Basicly: you can't. There are servers that support finger (to verify that a particular user exists), but for Hotmail/Gmail it's just not possible. The mail will bounce though.