Email Checker Basic: check and verify whether an e-mail address is valid (format or syntax) and really existing on the corresponding email server without sending in single mode. Usually, it is used to maintain a clean emailing list. It's very easy to use:...

Email Checker Pro: check and verify whether the e-mail addresses are valid (format or syntax) and really existing on the corresponding e-mail servers without sending in BATCH mode. Usually, it is used to maintain a clean e-mailing list. It works very...