PHPで日本語メール

test.php

<?php

$subject = "てすと";

$body = <<<END
ほんぶん１
ほんぶん２
ほんぶん３
ほんぶん４
ほんぶん５
ほんぶん６
END;

$headers = <<<END
From: hirayama@evol-ni.com
END;

//mb_language('Japanese'); // JIS
mb_language('uni'); // UTF-8
mb_internal_encoding('UTF-8');

$to = 'hirayama@evol-ni.com';

$result = mb_send_mail($to, $subject, $body, $headers);

echo $result, "\n";