Re: Problems with mime encoding of Japanese Characters in Subject and'From:' etc. fields.

> Hi,
>
> I try to send messages written in Japanese (Kana/Kanji) with php.
>
> Everything works fine - only when the subject (or the name of the
> sender) becomes longer, there seems to be something wrong with the
> encoding: Neither my nor the mail reader of other Japanese friends is
> able to decode the mime string. At the place of the Japanese
> Characters, the mime string itself is displayed.
>
> As this doesn't happen for other Japanese emails with even long
> subjects, I suppose I did something wrong...
>
> When using the corresponding php mb_* functions to decode the string
> back, sometimes the correct original string and sometimes meaningless
> characters are shown.
>
> Here how I convert the subject (the name is converted using the same
> method and the sources are saved in UTF-8 using emacs):
>
>   $subjectJIS  = mb_convert_encoding($subject, "ISO-2022-JP", "AUTO");
>   $subjectMIME = mb_encode_mimeheader($subjectJIS, "ISO-2022-JP", "B");
>   ...snip...
>   mail($to, $subjectMIME, $bodyJIS, $headers);
>
> Here part of the message as it is displayed by my mail program:
>
>   From:
> =?ISO-2022-JP?B?GyRCJCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7?==?ISO-2022-JP?B?eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3ob?=(B <d.bollmann@...>
>   ...snip...
>   Subject:
> =?ISO-2022-JP?B?GyRCJCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7?= =?ISO-2022-JP?B?eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3ob?= (B