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<author email="">jSieve Project</author>
<section name="What is jSieve?">
jSieve is a Java implementation of the Sieve mail filtering
language defined by
<a href=''>RFC 3028</a>
. jSieve is implemented as a language processor that can be
plugged into any internet mail application to add Sieve support.
jSieve is a subproject of
<a href=''>Apache JAMES</a>
. All who are interested in developing jSieve and JAMES will be
warmly welcomed on the
<a href='mail-lists.html'>mailing lists</a>
<p>jSieve consists of three products:</p>
<a href='main/index.html'>Apache JSieve</a>
is a Sieve library coded in Java.
<a href='mailet/index.html'>Apache JSieve Mailet</a>
is a
<a href=''>Mailet</a>
which builds on the JSieve library to create a comprehensive
server side Sieve filtering system.
<a href='util/index.html'>Apache JSieve Utilities</a>
contains utility classes helpful when using Sieve but not
considered sufficiently core to be included in the main
<subsection name='What is Sieve?'>
Sieve is an extensible mail filtering language. It's limited
expressiveness (no loops or variables, no tests with side
effects) allows user created scripts to be run safely on email
servers. Sieve is targeted at the final delivery phase (where
an incoming email is transferred to a user's mailbox).
Sieve scripts are composed of commands. Control commands
manage the execution of the script. Test commands define
side-effect free criteria. Action commands are mail operations
to be performed.
<section name='Extensions Supported'>
<subsection name='Sieve-In-Xml'>
<a href='' rel='tag'>Sieve-in-xml</a> is an Internet Draft.
It describes a method for converting Sieve scripts to and from XML fragments.
<a href='util/index.html'>JSieve Utilities</a> contains an experimental preview of a subset of this draft
to allow early feedback. <a href='util/index.html#Sieve In Xml'>More...</a>
<section name="News">
<subsection name="2008">
<h4>Aug/2008 - jSieve-0.2 released</h4>
The Apache JAMES team is happy to announce the availability of
<a href=''>
Apache jSieve 0.2
. This first public release is a major milestone for JSieve.