> Content-Transfer-Encoding of message becomes 8bit even if the message is > encoded 7bit-encoding such as iso-2022-jp. iso-2022-jp is not a 7bit encoding. It's 8bit.
> To solve this problem, I made the following patch. What is the problem?
> iso-2022-jp is 7bit encoding (see the rfc1468). Ah, OK. The UTF-7 of Japan ;-)
> Almost all MUA > currently used in Japan is also transmitted by 7 bit. Moreover, if > content-transfer-encoding of the mail written in Japanese is 8 bit > and quoted-printable, MUA which cannot be read exactly also exists. Ugh.
