I just got my first iPhone, the 4. I easily setup my Yahoo web mail account on it and it works fine. I then tried to setup my ISP's mail (Charter cable) on it. I went through the add account screen ...

From what I understand, the difference between these two is that IMAP leaves the messages on the server and POP does not.<BR><BR>But what is stopping a client program such as Outlook from just leaving ...

IMAP (short for Internet Message Access Protocol) is an internet protocol that lets you sync your email inbox across multiple devices. Most popular email apps, like Gmail and Outlook, use IMAP servers ...