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Langue: en

Version: 2010-08-23 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)


sieve-dump - Pigeonholeaqs Sieve script binary dump tool


sieve-dump [options] sieve-binary [out-file]


The sieve-dump command is part of the Pigeonhole Project (pigeonhole(7)), which adds Sieve (RFC 5228) support to the Dovecot secure IMAP and POP3 server (dovecot(1)).

Using the sieve-dump command, Sieve binaries, which are produced for instance by sievec(1), can be transformed into a human-readable textual representation. This can provide valuable insight in how the Sieve script is executed. This is also particularly useful to view corrupt binaries that can result from bugs in the Sieve implementation. This tool is intended mainly for development purposes, so normally system administrators and users will not need to use this tool.

The format of the output is not explained here in detail, but it should be relatively easy to understand. The Sieve binaries comprise a set of data blocks, each of which can contain arbitrary data. For the base language implementation two blocks are used: the first containing a specification of all required language extensions and the second containing the main Sieve program. Compiled Sieve programs are represented as flat byte code and therefore the dump of the main program is a disassembly listing of the interpreter operations. Extensions can define new operations and use additional blocks. Therefore, the output of sieve-dump depends greatly on the language extensions used when compiling the binary.


-c config-file
Alternative Dovecot configuration file path.
-x extensions
Set the available extensions. The parameter is a space-separated list of the active extensions. By prepending the extension identifiers with + or -, extensions can be included or excluded relative to the default set of extensions. If no extensions have a + or - prefix, only those extensions that are explicitly listed will be enabled. Unknown extensions are ignored and a warning is produced. By default, all supported extensions are available, except for deprecated extensions or those that are still under development.

For example -x "+imapflags -enotify" will enable the deprecated imapflags extension along with all extensions that are available by default, except for the enotify extension.


Specifies the Sieve binary file that needs to be dumped.
Specifies where the output must be written. This argument is optional. If omitted, the output is written to stdout.


sieve-dump will exit with one of the following values:
Delivery was successful. (EX_OK, EXIT_SUCCES)
Operation failed. This is returned for almost all failures. (EXIT_FAILURE)
Invalid parameter given. (EX_USAGE)


Dovecotaqs main configuration file.
Sieve interpreter settings (included from Dovecotaqs main configuration file)


Report bugs, including doveconf -n output, to the Dovecot Mailing List <>. Information about reporting Dovecot and Pigeonhole bugs is available at:


dovecot(1), dovecot-lda(1), sieve-test(1), sievec(1), pigeonhole(7)
Un peu de science éloigne de Dieu, mais beaucoup y ramène.
-+- Louis Pasteur -+-