[Mailman-Users] Umlaut in message bodies are omitted

[Bausch, Jean]

I have updated from Mailman 2.0.10 to 2.1.2 because of the international language support (on Solaris and Intel).

German Umlauts (äöüß...) are now displayed correctly in the subject line, BUT ...
they are simply omitted in the message body - in the received mails as well as in the archive. 
e.g. "Grüße" is 'converted' to "Gre".

Did I miss an encoding option somewhere?

Thanks in advance to anyone who can help!

--
Jean Bausch