Contact form of the developer network does not work

Sending a message via the contact form of the developer network does not work (http://developer.qt.nokia.com/contact)

Messgaes allways get returned.

This is the mail system at host vifsla.nokia.kunder.linpro.no.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<qt-devnet@nokia.com>: host mx1.nokia.com[147.243.142.137] said: 551 5.0.0 DKIM
or SPF failed (in reply to end of DATA command)

Reporting-MTA: dns; vifsla.nokia.kunder.linpro.no
X-Postfix-Queue-ID: 4B8DC2A0A2
X-Postfix-Sender: rfc822; andi.bacher@gmxpro.at
Arrival-Date: Wed, 15 Dec 2010 18:20:29 +0100 (CET)

Final-Recipient: rfc822; qt-devnet@nokia.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; mx1.nokia.com
Diagnostic-Code: smtp; 551 5.0.0 DKIM or SPF failed