What is IMAP?
IMAP stands for Internet Message Access Protocol. IMAP is one of the two most prevalent Internet standard protocols for e-mail retrieval, the other being the Post Office Protocol (POP). Virtually all modern e-mail clients and mail servers support both protocols as a means of transferring e-mail messages from a server.

An IMAP connection is a live connection to the server. If folders are created, they exist on your account on the server. If messages are moved or deleted, then they are moved or deleted on the server.
With POP3, your mail is saved in a mailbox on the remote server until you check your mail. When you check your mail, all of the mail is immediately downloaded to your computer and is no longer maintained on the server.
IMAP can be thought of as a remote file server, while POP3 can be thought of as a “store-and-forward” service. Ultimately they both accomplish similar tasks but often one will suit your needs better than the other.

With CFIMAP tag one can mana…