check OK変換後文字:
MIME-Version: 1.0 Content-Type: multipart/alternative;boundary=9719599dd59ea028786ae0dbfd51c36d; charset=Shift_JIS From: Reply-To: --9719599dd59ea028786ae0dbfd51c36d Content-Transfer-Encoding: base64 Content-type: text/plain;charset=Shift_JIS --9719599dd59ea028786ae0dbfd51c36d Content-Transfer-Encoding: base64 Content-type: text/html;charset=Shift_JIS --9719599dd59ea028786ae0dbfd51c36d--send to : NG