LeadStal Email Validator helps you to check and authenticate a single and B2B bulk list of emails. It is very easy to use, you just have to enter the email address and click the check button and it will show you if the email is valid or invalid. Our tool is very reliable for verifying any email addresses. We have designed 2 types of features, one is a “single email validator� and the other one is a “Bulk email validator.� The single one will show you the results of a single entry and the bulk one will show you multiple results within a single click. Our tool is one of the best free email validation tools which you can use!