NAME
    FML::Envelope - provide envelope based operations.

SYNOPSIS
DESCRIPTION
METHODS
  new()
    constructor.

  check_envelope_sender()
    check if the envelope sender is not our maintainer.

ACCESS METHODS
  set_checksum_type($type)
    set checksum method type.

  get_checksum_type()
    get checksum method type. return 'md5' by default.

CODING STYLE
    See "http://www.fml.org/software/FNF/" on fml coding style guide.

AUTHOR
    Ken'ichi Fukamachi

COPYRIGHT
    Copyright (C) 2006 Ken'ichi Fukamachi

    All rights reserved. This program is free software; you can redistribute
    it and/or modify it under the same terms as Perl itself.

HISTORY
    FML::Envelope appeared in fml8 mailing list driver package. See
    "http://www.fml.org/" for more details.