Official *binaries* of this product released by the Instantbird team
(http://www.instantbird.com/) are made available under the GNU General
Public License GPL version 2.0 or later.

All of the *source code* for this product is available under licenses
which are both free and open source.

Most is available under any one of the following:
 - the Mozilla Public License (MPL) 1.1,
 - the GNU General Public License (GPL) 2.0 or later,
 - the GNU Lesser General Public License (LGPL) 2.1 or later.
That is, you may copy and distribute such software according to the
terms of any one of those three licenses.

The remainder of the software which is not under the MPL/LGPL/GPL
tri-license is available under a subset of it or one of a variety of
more permissive licenses.

See license.html for details.
