SpamProbe 1.4d

Operating systemsOS : Windows / Linux / Mac OS / BSD / Solaris
Program licensingScript Licensing : Other Free / Open Source License
CreatedCreated : Jun 12, 2007
Size downloadDownloads : 1
Program licensing
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SpamProbe relies on a Bayesian analysis of the ...

spamprobe by Brian Burton relies on a Bayesian analysis of the frequency of words used in spam and non-spam emails received by an individual person.
The process is completely automatic and tailors itself to the kinds of emails that each person receives.
spam detection using Bayesian analysis of terms contained in each email. Words used often in spams but not in good email tend to indicate that a message is spam. Generally over 90% effective at detecting spam once a few hundred spams have been classified. My personal database is over 99% effective.
Automatically learns from incoming mails as they are classified. Incorporates user's feedback to tailor classification to each user's personal tastes.
Works with procmail, maildrop, or a similar tool to produce a complete server or client side spam_filter system.
Written in C for good performance. Database access using Peter Graf's PBL ISAM library or Berkeley DB for quick startup and fast term count retrieval. Also supports a fast, fixed size hash file format for maximum speed or when a fixed size database is essential.
Recognition and decoding of MIME attachments in quoted-printable and base64 encoding. Automatically skips non-text attachments. MIME decoding enables SpamProbe 1.4d to make decisions based on words in the emails rather than base64 gobbledigook.
Analyzes image attachments to derive useful information from them. This feature allows SpamProbe [spamprobe1.4d.exe] to detect spams that contain an image and little to no text content.
Counts two word phrases as well as single words for higher precision. Can easily be configured to use longer phrases if desired.
Ignores HTML tags in emails for scoring purposes unless the -h command line option is used. Many spams use HTML and few humans do so HTML tends to become a powerful recognizer of spams. However in the author's opinion this also substantially increases the likelihood of false positives if someone does send a non-spam emai containing HTML tags. SpamProbe - 0MB does pull urls from inside of html tags however since those tend to be spammer specific.
Locks mboxes and databases using fcntl file locking to avoid problems when multiple emails arrive simultaneously.
Scores only the Received, Subject, To, From, and Cc headers. All other headers are ignored to make it hard for spammers to hide non-spammy words in X- headers to fool the filter. The -H command line option can be used to override this.
Natively supports mbox, MBX, and Maildir mail box formats.
Supports Content-Length: field in mbox headers. This can be disabled using -Y option to use only From_ to recognize new messages.
Uses MD5 hash of emails to recognize reclassification of an already classified spam to avoid distortion of the word counts if emails are reclassified. This way emails can be kept in a mailbox that is repeatedly scanned by SpamProbe 1.4d without counting them more than once.
Provides a date stamp based database cleanup command to remove terms from the database if their counts never rise above a certain threshold value (normally 2).
Provides an edit-term command allowing users to directly modify the counts of individual terms.

SpamProbe 1.4d scripting tags: spam, emails, spamprobe, bayesian analysis, headers, filter, email filter, spam filter, spams. What is new in SpamProbe 1.4d software script? - Unable to find SpamProbe 1.4d news. What is improvements are expecting? Newly-made SpamProbe 1.5 will be downloaded from here. You may download directly. Please write the reviews of the SpamProbe. License limitations are unspecified.