To check manually few emails :
http://email-checker.net/
For thousands of emails to check :
http://www.maxprog.com/site/software/internet-marketing/email-verifier_sheet_fr.php
To check manually few emails :
http://email-checker.net/
For thousands of emails to check :
http://www.maxprog.com/site/software/internet-marketing/email-verifier_sheet_fr.php