Resources lose the domain

[Matthias Hütter]

Resources lose the domain 

When creating appointments the resources loose their domain-part. 

Any ideas where to find a solution for this? 

This is the mail system at host srv.example.com. 

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 

<resource-confroom-og-rechts at example.com>: unknown user:
"resource-confroom-og-rechts"
Reporting-MTA: dns; srv.example.com
X-Postfix-Queue-ID: B91E411AD0D
X-Postfix-Sender: rfc822; gerate.gerate at example.com
Arrival-Date: Mon, 18 Apr 2016 14:39:55 +0200 (CEST) 

Final-Recipient: rfc822; resource-confroom-og-rechts at example.com
Original-Recipient: rfc822;resource-confroom-og-rechts at example.com
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user: "resource-confroom-og-rechts" 

-- 
Mit freundlichen Grüßen/ Best Regards

 MATTHIAS HÜTTER
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