mlock - 8:2007f~dfsg-7+b1 main

IMAP (Internet Message Access Protocol) is a method of accessing
electronic messages kept on a (possibly shared) mail server.
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The UW (University of Washington) IMAP toolkit provides the c-client
mail-handling library supporting various network transport methods,
file system storage formats, and authentication and authorization
methods.
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This package contains a program to lock mailbox files to avoid
corruption.