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- MailScanner is a complete e-mail security system designed for use on
- e-mail gateways. It protects against viruses, and detects attacks
- against e-mail client packages (such as Outlook, Outlook Express,
- Eudora). It can also detect almost all unsolicited commercial e-mail
- (spam) passing through it and respond to all incidents in a wide variety
- of ways.
- Not only can it scan for known viruses, but it can also protect against
- unknown viruses hidden inside e-mail attachments by refusing entry to
- attachments whose filenames match any given pattern. This can include
- generic patterns that trap filenames attempting to hide the true
- filename extension (e.g. ".txt.vbs").
- It is superior to many commercial packages in its ability to handle
- attacks against itself, such as Denial Of Service attacks caused by
- messages containing the "Zip of Death". It is easy to install into an
- existing e-mail gateway, requiring very little knowledge of sendmail and
- no change to an existing sendmail configuration.
- MailScanner itself is entirely open source, but it uses widely known
- commercial virus scanning packages at its core. The other software it
- uses is all high quality open source software, leading to a system that
- can be trusted for performance and reliability.
- Optionally, unrar, unarj, and/or unace may be installed and MailScanner
- will use them if they are installed.
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