The Internet Engineering Task Force (IETF) document, RFC 3696, “Application Techniques for Checking and Transformation of Names” by John Klensin, gives several valid e-mail addresses that are rejected ...

How do you find out if a user has entered a valid email address? Do you check for an at-sign, or is it more complicated? For many developers the answer is a regular expression, a little bit of code ...

There are a variety of reasons why you might want to find out who is behind an email account. Perhaps you're sending a private message and don't want to offend anyone by sending it to the incorrect ...

Rachit is a Features Writer at AndroidPolice. He has been covering the tech landscape for the past seven years and loves to help people figure out their devices and get the most out of them. He is ...