Spam Quarantine Not working

[Johannes Graumann]

Hello,

My /kolab/etc/kolab/templates/amavisd.conf.template contains this:
	$spam_quarantine_to = 'kolab+shared.spambox\@$mydomain';

I now get spam messages with the following delivered to my mailbox:

> Final-Recipient: rfc822; <someone>
> Original-Recipient: rfc822;<someone>
> Action: failed
> Status: 4.5.0
> Remote-MTA: dns; 127.0.0.1
> Diagnostic-Code: smtp; 451 4.5.0 Error in processing, id=11576-01-2,
> quar+notif
>     FAILED: Can not quarantine: 501 5.1.3 Failed, id=11576-01-2, from
>     MTA([127.0.0.1]:10026): 501 5.1.3 Bad recipient address syntax at
>     /kolab/sbin/amavisd line 10358.

What am I doing wrong?

Thanks, Joh