How to check if an email address exists without sending an email?

We have all been doing email address validation for a very long time to make sure that the email is correctly formatted. This is to avoid users entering wrongly formatted email address but still they can accidentally give us a wrong email address. Example of a correctly formatted email address but still wrong: mailbox.does.not.exist@webdigiapps.com [VALID […]

Does your website really need a CAPTCHA?

What is CAPTCHA? CAPTCHA is an acronym for “completely automated public Turing test to tell computers and humans apart.” This can be with images / audio or whatever we will see in future. Why do sites use it? CAPTCHA is used to prevent bots from automatically submitting forms with SPAM or other unwanted content. Google […]