SA-UPDATE(1p) User Contributed Perl Documentation SA-UPDATE(1p)
sa-update - automate SpamAssassin rule updates
--channel channel Retrieve updates from this channel
Use multiple times for multiple channels
--channelfile file Retrieve updates from the channels in the file
--checkonly Check for update availability, do not install
--install filename Install updates directly from this file. Signature
verification will use "file.asc", "file.sha256",
--allowplugins Allow updates to load plugin code
--gpgkey key Trust the key id to sign releases
Use multiple times for multiple keys
--gpgkeyfile file Trust the key ids in the file to sign releases
--gpghomedir path Store the GPG keyring in this directory
--gpg and --nogpg Use (or do not use) GPG to verify updates
(--gpg is assumed by use of the above
--gpgkey and --gpgkeyfile options)
--import file Import GPG key(s) from file into sa-update's
keyring. Use multiple times for multiple files
--updatedir path Directory to place updates, defaults to the
SpamAssassin site rules directory
--refreshmirrors Force the MIRRORED.BY file to be updated
-D, --debug [area=n,...] Print debugging messages
-v, --verbose Be verbose, like print updated channel names;
For more verbosity specify multiple times
-V, --version Print version
-h, --help Print usage message
-4 Force using the inet protocol (IPv4), not inet6
-6 Force using the inet6 protocol (IPv6), not inet
sa-update automates the process of downloading and installing new rules
and configuration, based on channels. The default channel is
updates.spamassassin.org, which has updated rules since the previous
Update archives are verified using SHA256 and SHA512 hashes and GPG
signatures, by default.
Note that "sa-update" will not restart "spamd" or otherwise cause a
scanner to reload the now-updated ruleset automatically. Instead,
"sa-update" is typically used in something like the following manner:
sa-update && /etc/init.d/spamassassin reload
This works because "sa-update" only returns an exit status of 0 if it
has successfully downloaded and installed an updated ruleset.
The program sa-update uses the underlying operating system umask for
the updated rule files it installs. You may wish to run sa-update from
a script that sets the umask prior to calling sa-update. For example:
sa-update can update multiple channels at the same time. By
default, it will only access "updates.spamassassin.org", but more
channels can be specified via this option. If there are multiple
additional channels, use the option multiple times, once per
sa-update --channel foo.example.com --channel bar.example.com
Similar to the --channel option, except specify the additional
channels in a file instead of on the commandline. This is useful
when there are a lot of additional channels.
Only check if an update is available, don't actually download and
install it. The exit code will be 0 or 1 as described below.
Install updates "offline", from the named tar.gz file, instead of
performing DNS lookups and HTTP invocations.
Files named file.sha256, file.sha512, and file.asc will be used for
the SHA256 and SHA512 hashes and the GPG signature, respectively.
The filename provided must contain a version number of at least 3
digits, which will be used as the channel's update version number.
Multiple --channel switches cannot be used with --install. To
install multiple channels from tarballs, run "sa-update" multiple
times with different --channel and --install switches, e.g.:
sa-update --channel foo.example.com --install foo-34958.tgz
sa-update --channel bar.example.com --install bar-938455.tgz
Allow downloaded updates to activate plugins. The default is not
to activate plugins; any "loadplugin" or "tryplugin" lines will be
commented in the downloaded update rules files.
sa-update by default will verify update archives by use of SHA256
and SHA512 checksums and GPG signature. SHA* hashes can verify
whether or not the downloaded archive has been corrupted, but it
does not offer any form of security regarding whether or not the
downloaded archive is legitimate (aka: non-modifed by evildoers).
GPG verification of the archive is used to solve that problem.
If you wish to skip GPG verification, you can use the --nogpg
option to disable its use. Use of the following gpgkey-related
options will override --nogpg and keep GPG verification enabled.
Note: Currently, only GPG itself is supported (ie: not PGP). v1.2
has been tested, although later versions ought to work as well.
sa-update has the concept of "release trusted" GPG keys. When an
archive is downloaded and the signature verified, sa-update
requires that the signature be from one of these "release trusted"
keys or else verification fails. This prevents third parties from
manipulating the files on a mirror, for instance, and signing with
their own key.
By default, sa-update trusts key ids "24F434CE" and "5244EC45",
which are the standard SpamAssassin release key and its sub-key.
Use this option to trust additional keys. See the --import option
for how to add keys to sa-update's keyring. For sa-update to use a
key it must be in sa-update's keyring and trusted.
For multiple keys, use the option multiple times. i.e.:
sa-update --gpgkey E580B363 --gpgkey 298BC7D0
Note: use of this option automatically enables GPG verification.
Similar to the --gpgkey option, except specify the additional keys
in a file instead of on the commandline. This is extremely useful
when there are a lot of additional keys that you wish to trust.
Specify a directory path to use as a storage area for the
"sa-update" GPG keyring. By default, this is
Use to import GPG key(s) from a file into the sa-update keyring
which is located in the directory specified by --gpghomedir.
Before using channels from third party sources, you should use this
option to import the GPG key(s) used by those channels. You must
still use the --gpgkey or --gpgkeyfile options above to get sa-
update to trust imported keys.
To import multiple keys, use the option multiple times. i.e.:
sa-update --import channel1-GPG.KEY --import channel2-GPG.KEY
Note: use of this option automatically enables GPG verification.
Force the list of sa-update mirrors for each channel, stored in the
MIRRORED.BY file, to be updated. By default, the MIRRORED.BY file
will be cached for up to 7 days after each time it is downloaded.
By default, "sa-update" will use the system-wide rules update
If the updates should be stored in another location, specify it
Note that use of this option is not recommended; if you're just
using sa-update to download updated rulesets for a scanner, and sa-
update is placing updates in the wrong directory, you probably need
to rebuild SpamAssassin with different "Makefile.PL" arguments,
instead of overriding sa-update's runtime behaviour.
-D [area,...], --debug [area,...]
Produce debugging output. If no areas are listed, all debugging
information is printed. Diagnostic output can also be enabled for
each area individually; area is the area of the code to instrument.
For example, to produce diagnostic output on channel, gpg, and
sa-update -D channel,gpg,http
For more information about which areas (also known as channels) are
available, please see the documentation at
Print help message and exit.
Print sa-update version and exit.
In absence of a --checkonly option, an exit code of 0 means: an update
was available, and was downloaded and installed successfully. If
--checkonly was specified, an exit code of 0 means: an update was
An exit code of 1 means no fresh updates were available.
An exit code of 2 means that at least one update is available but that
a lint check of the site pre files failed. The site pre files must
pass a lint check before any updates are attempted.
An exit code of 3 means that at least one update succeeded while other
channels failed. If using sa-compile, you should proceed with it.
An exit code of 4 or higher, indicates that errors occurred while
attempting to download and extract updates, and no channels were
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LICENSE AND COPYRIGHT
SpamAssassin is distributed under the Apache License, Version 2.0, as
described in the file "LICENSE" included with the distribution.
Copyright (C) 2015 The Apache Software Foundation
perl v5.26.1 2021-03-29 SA-UPDATE(1p)
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