---
name: "sylfilter"
section: "1"
platform: "linux"
package: "sylfilter"
version: "0.8-7+b4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/sylfilter"
---

# sylfilter(1)

sylfilter

## NAME

SylFilter - sylfilter

## SYNOPSIS

**sylfilter** \[*options*\] *message* \[*message* ...\]

## DESCRIPTION

SylFilter (tentative name) version 0.7

## OPTIONS

- **-j**

  learn junk (spam) messages

- **-c**

  learn clean (non-spam) messages

- **-J**

  unlearn junk (spam) messages

- **-C**

  unlearn clean (non-spam) messages

- **-t**

  classify messages

- **-v**

  show verbose messages

- **-d**

  show debug messages

**-m** n\|r

-

  specify filtering method n : Paul Graham (Naive Bayes) method r : Gary Robinson (Robinson-Fisher) method (default)

**--min-dev**

-

  ignore if score near (default: 0.1)

**--robs**

-

  Robinson's s parameter (default: 1.0)

**--robx**

-

  Robinson's x parameter (default: 0.5)

- **-B**

  do not bias probability for clean mail (Paul/Naive method only, may increase false-positive)

- **-V**

  print version

**-h**, **--help**

-

  print this help message

**-E** \<engine\_name\>

-

  specify key-value store engine (show below)

**-p** \<path\>

-

  specify database directory

### Return values:

- 0

  junk (spam)

- 1

  clean (non-spam)

- 2

  uncertain

-

  127 other errors

Default database location: /root/.sylfilter/\*.db

### Available key-value stores:

-

  QDBM SQLite

## SEE ALSO

The full documentation for **SylFilter** is maintained as a Texinfo manual.  If the **info** and **SylFilter** programs are properly installed at your site, the command

-

  **info SylFilter**

should give you access to the complete manual.