Internet Message Access Protocol definition in Computer Security terms:
Definition(s): A method of communication used to read electronic messages stored in a remote server.
Source(s): NIST SP 800-101 Rev. 1
A mailbox access protocol defined by IETF RFC 3501. IMAP is one of the most commonly used mailbox access protocols. IMAP offers a much wider command set than POP.
Source(s): NIST SP 800-45 Version 2
reference: CSRC Glossary