When some of your email messages appear on one PC, and other messages on another, you're using the wrong protocol.

POP, or Post Office Protocol, was developed in 1984 and is currently in its third version (POP3). POP works by allowing users to retrieve email and download it onto their computer. Because this ...

POP and IMAP are the two most popular email protocols, but there are a few differences between them. Here's what you need to know.

When you set up an email account, you rarely have to enter the server details. This wasn't the case a few years ago, when you had to choose between POP3 and IMAP protocols and enter the connection ...

Hotmail previously only offered DeltaSync (the protocol that Outlook, Windows Live Mail, and Windows Live for Windows Mobile use). Many of you already know that DeltaSync is more robust and might ...

POP (Post Office Protocol) mail downloads your mail to your hard drive, while IMAP (Internet Message Access Protocol) keeps everything — even your sent mail — on a server.

Mark Crispin, IMAP's outspoken creator, says Google's implementation of his mail protocol is half-baked. Flawed as it is, others see IMAP as a necessary step forward as the wireless age increases ...

It appears that Gmail is now supporting the IMAP protocol as of today. Download Squad was one of the first to report the new functionality found under the Gmail settings section.