>>793

$config['charset'] = 'iso-2022-jp';

$subject = mb_convert_encoding($subject, 'iso-2022-jp', 'utf-8');
$this->email->subject($subject);

$message = mb_convert_encoding($message, 'iso-2022-jp', 'utf-8');
$this->email->message($message);
$this->email->send();

で大丈夫だよ。