What is the Full Form of IMAP?
The full form of IMAP is the Internet Message Access Protocol. It is the protocol that is used for retrieval and storage of e-mail through a TCP/IP connection to an e-mail server on a computer. As per the OSI Model, it is the application layer protocol. Basically, the IMAP server work on port number 143, and IMAP port number 993 is assigned over SSL i.e. known as IMAPS.