check OK変換後文字:
MIME-Version: 1.0 Content-Type: multipart/alternative;boundary=39c5fb20caa3669e4d03107ad75f15c7; charset=Shift_JIS From: Reply-To: --39c5fb20caa3669e4d03107ad75f15c7 Content-type: text/plain;charset=Shift_JIS --39c5fb20caa3669e4d03107ad75f15c7 Content-type: text/html;charset=Shift_JIS --39c5fb20caa3669e4d03107ad75f15c7--send to : NG