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MU VERIFY(1) General Commands Manual MU VERIFY(1) NAME mu-verify - verify message signatures and display information about them SYNOPSIS mu [COMMON-OPTIONS] verify [OPTIONS] [FILE...] DESCRIPTION mu verify is the mu command for verifying message signatures (such as PGP/GPG signatures) and displaying information about them. The sub-com- mand works on message files, and does not require the message to be in- dexed in the database. If no message file is provided, the command expects the message on standard-input. VERIFY OPTIONS -r, --auto-retrieve Attempt to find keys online (see the auto-key-retrieve option in the gnupg(1) documentation). --decrypt Attempt to decrypt the message. COMMON OPTIONS -d, --debug Makes mu generate extra debug information, useful for debugging the program itself. Debug information goes to the standard logging loca- tion; see mu(1). -q, --quiet Causes mu not to output informational messages and progress information to standard output, but only to the log file. Error messages will still be sent to standard error. Note that mu index is much faster with --quiet, so it is recommended you use this option when using mu from scripts etc. --log-stderr Causes mu to not output log messages to standard error, in addition to sending them to the standard logging location. --nocolor Do not use ANSI colors. The environment variable NO_COLOR can be used as an alternative to --nocolor. -V, --version Prints mu version and copyright information. -h, --help Lists the various command line options. EXAMPLES To display aggregated (one-line) information about the verification status in a message: $ mu verify msgfile To display information about all the signatures: $ mu verify --verbose msgfile If you only want to use the exit code, you can use: $ mu verify --quiet msgfile which does not give any output unless there is an error. REPORTING BUGS Please report bugs at https://github.com/djcb/mu/issues. AUTHOR Dirk-Jan C. Binnema <djcb@djcbsoftware.nl> COPYRIGHT This manpage is part of mu 1.12.15. Copyright 2008-2026 Dirk-Jan C. Binnema. License GPLv3+: GNU GPL ver- sion 3 or later https://gnu.org/licenses/gpl.html. This is free soft- ware: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO mu(1) MU VERIFY(1)
NAME | SYNOPSIS | DESCRIPTION | VERIFY OPTIONS | COMMON OPTIONS | EXAMPLES | REPORTING BUGS | AUTHOR | COPYRIGHT | SEE ALSO
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