use Data::Dumper;
use Mail::Message::Construct;
print Dumper(
    Mail::Message->read(\"Subject:hello\n\n1\n2\n")
);
__END__
$VAR1 = bless( {
                 'MM_labels' => {},
                 'MM_modified' => 0,
                 'MR_trace' => 4,
                 'MM_head' => bless( {
                                       'MMH_fields' => {
                                                         'message-id' => bless( [
                                                                                  'Message-ID',
                                                                                  ' mailbox-fjord-232-1041916062
'
                                                                                ], 'Mail::Message::Field::Fast' ),
                                                         'subject' => bless( [
                                                                               'Subject',
                                                                               ' hello
'
                                                                             ], 'Mail::Message::Field::Fast' )
                                                       },
                                       'MR_trace' => 4,
                                       'MMH_begin' => 0,
                                       'MMH_order' => [
                                                        $VAR1->{'MM_head'}{'MMH_fields'}{'subject'},
                                                        $VAR1->{'MM_head'}{'MMH_fields'}{'message-id'}
                                                      ],
                                       'MMH_message' => $VAR1,
                                       'MMH_modified' => 1,
                                       'MMH_end' => '15',
                                       'MR_log' => 4
                                     }, 'Mail::Message::Head::Complete' ),
                 'MM_message_id' => 'mailbox-fjord-232-1041916062',
                 'MM_trusted' => 0,
                 'MM_body' => bless( {
                                       'MMBL_array' => [
                                                         '1
',
                                                         '2
'
                                                       ],
                                       'MM_modified' => 0,
                                       'MMB_end' => '19',
                                       'MMB_type' => bless( [
                                                              'Content-Type',
                                                              ' text/plain; charset="us-ascii"
'
                                                            ], 'Mail::Message::Field::Fast' ),
                                       'MMB_begin' => '15',
                                       'MR_trace' => 4,
                                       'MMB_seqnr' => 0,
                                       'MMB_checked' => 0,
                                       'MMB_message' => $VAR1,
                                       'MMB_disposition' => bless( [
                                                                     'Content-Disposition',
                                                                     ' none
'
                                                                   ], 'Mail::Message::Field::Fast' ),
                                       'MMB_eol' => 'NATIVE',
                                       'MR_log' => 4,
                                       'MMB_transfer' => bless( [
                                                                  'Content-Transfer-Encoding',
                                                                  ' none
'
                                                                ], 'Mail::Message::Field::Fast' )
                                     }, 'Mail::Message::Body::Lines' ),
                 'MR_log' => 4
               }, 'Mail::Message' );