Attachment with non-english characters disappears when forwarding

[Nils Olav Brandstorp Bekken]

I've got 3 servers running Debian Etch with Squirrelmail 1.4.17
where Squirrelmail shows some strange behaviour.

When users receive email with attachments and click forward and then
"send" or "save as draft", the attachments sometimes disappears. I've
managed to reproduce the error with one email I found containing pdf
files with the Norwegian characters æ,ø and å.

When viewing this email, everything looks ok (filenames and all) but
when I click forward, the norwegian characters in the filename is
replaced with ? Message details says quoted printable on the message and
base64 for the attachments.

Sending and receiving attachments containing æ,ø or å in the filename,
from and to an account on these installations is no problem.

I've tested with Squirrelmail 1.4.11 and everything worked ok with the
same email, so I think it might have something to do with the change
from iso8859-1 to utf-8 in Norwegian Bokmål

Software: Squirrelmail 1.4.17 PHP 5.2.0-8+etch13, Apache2 2.2.3-4+etch6

the configtest.php i18n output (no errors from the rest of the output as
far as I can see):
> Checking internationalization (i18n) settings...
>>      gettext - Gettext functions are available. On some systems you must have appropriate system locales compiled.
>>      mbstring - Mbstring functions are available.
>>      recode - Recode functions are available.
>>      iconv - Iconv functions are available.
>>      timezone - Webmail users can change their time zone settings.

locale.gen contains this:

en_US ISO-8859-1
en_US UTF-8
nb_NO ISO-8859-1
nb_NO.UTF-8 UTF-8
no_NO.UTF-8 UTF-8
no_NO ISO-8859-1
nn_NO.UTF-8 UTF-8
nn_NO ISO-8859-1
da_DK.UTF-8 UTF-8
da_DK ISO-8859-1
de_DE.UTF-8 UTF-8
de_DE ISO-8859-1

Any ideas?

Thanks in advance

Sincerely

Nils Olav Bekken


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