$repl->header_set('From', '<redactor@example.com>');
$repl->header_set('Subject', 'redacted');
$repl->header_set('Date', 'Sat, 02 Oct 2010 00:00:00 +0000');
$repl->header_set('From', '<redactor@example.com>');
$repl->header_set('Subject', 'redacted');
$repl->header_set('Date', 'Sat, 02 Oct 2010 00:00:00 +0000');