BOGOTUNE - Online Linux Manual PageSection : 1
Updated : 05/19/2019
Source : Bogofilter
Note : Bogofilter Reference Manual

NAMEbogotune − find optimum parameter settings for bogofilter

SYNOPSISbogotune [−v] [−c config] [−C] [−d dir] [−D] [−r value] [−T value] −n okfile [[−n] okfile [​.​.​.]] −s spamfile [[−s] spamfile [​.​.​.]] [−M file] bogotune [−h]

DESCRIPTIONBogotune tries to find optimum parameter settings for bogofilter​. It needs at least one set each of spam and non−spam messages​. The production wordlist is normally used, but it can be directed to read a different wordlist, or to build its own from half the supplied messages​. In order to produce useful results, bogotune has minimum message count requirements​. The wordlist it uses must have at least 2,000 spam and 2,000 non−spam in it and the message files must contain at least 500 spam and 500 non−spam messages​. Also, the ratio of spam to non−spam should be in the range 0​.2 to 5​. If you direct bogotune to build its own wordlist, it will use the half the input or 2000 messages (whichever is larger) for the wordlist​. Message files may be in mbox, maildir, or MH folder or any combination​. Msg−count files can also be used, but not mixed with other formats​.

OPTIONSThe −h option prints the help message and exits​. The −v option increases the verbosity level​. Level 1 displays the scan output in detail instead of using a progress meter​. The −c filename option tells bogofilter to read the config file named​. The −C option prevents bogotune from reading a configuration file​. The −d dir option specifies the directory for the database​. See the ENVIRONMENT section for other directory setting options​. The −D option tells bogotune to build a wordlist in memory using the input messages​. The messages are read and divided into two groups​. The first group is used to build a wordlist (in ram) and the second is used for tuning​. To meet the minimum requirements of 2000 messages in the wordlist and 500 messages for testing, when −D is used, there must be 2500 non−spam and 2500 spam in the input files​. If there are enough messages (more than 4000), they will be split evenly between wordlist and testing​. Otherwise, they will be split proportionately​. The −n option tells bogotune that the following argument is a file (or folder) containing non−spam​. Since version 1​.0​.3, multiple arguments to the −n option can be given​. All non−option arguments until the next −s option will be treated as though they had been preceded by −n The −s option tells bogotune that the following argument is a file (or folder) containing spam​. It can be repeated as often as necessary​. Since version 1​.0​.3, multiple arguments to the −s can be given​. All non−option arguments until the next −n option will be treated as though they had been preceded by −s​. The −r value option tells bogotune to use the following parameter as the robx value​. The −T value option tells bogotune to use the following parameter as fp target value​. The −M file option tells bogotune to convert the file to message count format​. This format provides a sorted list of each message's unique tokens, along with their ham and spam counts​. Sorting hides the sense of the messages quite effectively, thus protecting privacy​. The message−count format allows bogotune and bogofilter to score messages quickly without needing the original token database​.

ENVIRONMENTBogofilter uses a database directory, which can be set in the config file​. If not set there, bogofilter will use the value of BOGOFILTER_DIR​. Both can be overridden by the −ddir option​. If none of that is available, bogofilter will use directory $HOME/​.bogofilter​.

BUGSBogotune is not particularly robust when presented with garbage input​.

AUTHORThe bogofilter developer team​. For updates, see the bogofilter project page[1]​.

SEE ALSObogofilter(1), bogolexer(1), bogoupgrade(1), bogoutil(1)

NOTES 1. the bogofilter project page ­http://bogofilter.sourceforge.net/
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