The Exim Home Page

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. It is freely available under the terms of the GNU General Public Licence. In style it is similar to Smail 3, but its facilities are more extensive, and in particular it has some defences against mail bombs and unsolicited junk mail in the form of options for refusing messages from particular hosts, networks, or senders. It can be installed in place of sendmail, although the configuration of exim is quite different to that of sendmail.

An expanded introduction is available.

New Things

• Exim Version 3.22 is available - see the availability pages to get hold of a copy. Documentation has been updated to match.
• The information on the Mailing Lists also now contains a search form.
• A Generic Windows Executable Content filter is available at ftp://ftp.exim.org/pub/filter/ or here. This is an exim system filter which attempts to detect executables including the types responsible for the Windows/Outlook mail worms, and also the recent bugs with header length checking (see this BugTraq article). It is not infallible, but many sites may find it useful. The file contains installation instructions.

Exim Book

The definitive exim book, written by Philip Hazel, will be published in June 2001. Orders can already be placed through a number of the on-line retailers.

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