Verifying an email address and not just the format of the email address is something thats not very common still.
I found this website that does it for you. Might be useful.
http://verify-email.org/
I’ve always wanted to do some blogging but work keeps me so busy that I never really got any time to do it. Now, finally, I am giving it a try and will continue to keep this site updated on a regular basis.
Happy programming!