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Secure Addon's
Spam Assassin
What is Spam Assassin?
Spam Assassin is a mail filter to identify spam. It is an intelligent email filter which uses a diverse range of tests to identify unsolicited bulk email, more commonly known as Spam. These tests are applied to email headers and content to classify email using advanced statistical methods.
How it works
This flexible and powerful set of Perl programs, unlike older spam filtering approaches, uses the combined score from multiple types of checks to determine if a given message is spam.
Its primary features are:
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Header tests
- Body phrase tests.
- Bayesian filtering
- Automatic address whitelist/blacklist
- Manual address whitelist/blacklist
- Collaborative spam identification databases (DCC, Pyzor, Razor2)
- DNS Blocklists, also known as "RBLs" or "Realtime Blackhole Lists"
- Character sets and locales
Clam Anti-Virus
What is ClamAV ?
Clam Anti Virus is a GPL anti-virus toolkit for UNIX. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via the Internet.
How It Works
Use ClamAV to scan your email, home directory, public web, or public FTP space. Scanning consistently for viruses will help keep your site running properly, and can prevent many problems locally with your PC.
Its features include:
- database updater with support for digital signatures
- virus scanner C library
- on-access scanning (Linux® and FreeBSD)
- detection of over 45000 viruses, worms and trojans
- built-in support for RAR (2.0), Zip, Gzip, Bzip2, Tar, MS OLE2, MS Cabinet files, MS CHM , MS SZDD
- built-in support for mbox, Maildir and raw mail files
- built-in support for Portable Executable files compressed with UPX, FSG, and Petite
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