This is the Debian GNU/Linux version of the MIME::Tools Perl module.

From the README:

TERMS AND CONDITIONS
    Eryq (eryq@zeegee.com), ZeeGee Software Inc (http://www.zeegee.com).

    Copyright (c) 1998, 1999 by ZeeGee Software Inc (www.zeegee.com).

    All rights reserved. This program is free software; you can redistribute
    it and/or modify it under the same terms as Perl itself. See the COPYING
    file in the distribution for details.

Perl is distributed under either the Artistic licence or the GPL.

The full text of the GPL is available on Debian systems in
/usr/share/common-licenses/GPL

The full text of the Artistic Licence is available on Debian systems in
/usr/share/common-licenses/Artistic.

This package has been through multiple maintainers (for a list see
/usr/share/doc/libmime-perl/changelog.Debian.gz).

Current Debian specific changes are copyright (c) 1999-2002,
Stephen Zander <gibreel@debian.org>