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 ...

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 ...

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 ...

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 ...

With the average person sending and receiving more than 120 business emails every day, you can’t blame people for not publicly posting their email addresses. Who wants their inbox overflowing with ...

For most people, emails do not give any information about the person sending you a message. Although the email address should give a clue about the sender, many people find it difficult to identify ...