'-m' => \$params->{'mail'},
'--mail' => \$params->{'mail'},
'-M' => \$params->{'no-mail'},
'--no-mail' => \$params->{'no-mail'},
'-R' => \$params->{'no-download'},
'--no-download' => \$params->{'no-download'},
'-m' => \$params->{'mail'},
'--mail' => \$params->{'mail'},
'-M' => \$params->{'no-mail'},
'--no-mail' => \$params->{'no-mail'},
'-R' => \$params->{'no-download'},
'--no-download' => \$params->{'no-download'},