check OK変換後文字:
MIME-Version: 1.0 Content-Type: multipart/alternative;boundary=da0adb757c7e22e282c06eb14e37711f; charset=Shift_JIS From: Reply-To: --da0adb757c7e22e282c06eb14e37711f Content-Transfer-Encoding: base64 Content-type: text/plain;charset=Shift_JIS --da0adb757c7e22e282c06eb14e37711f Content-Transfer-Encoding: base64 Content-type: text/html;charset=Shift_JIS --da0adb757c7e22e282c06eb14e37711f--send to : NG