If spamcop are playing games with hotmail etc again I'd set it to 
'stamp' for a while.

ChrisP.



On Wednesday 11/06/2014 at 10:46 am, David Camm  wrote:
> interesting thing happened today.
>
> i got an email form one of my customer domain admins who said several 
> of his users were not able to receive emails from both hotmail and 
> gmail because we said:
>
> Final-Recipient: rfc822HIDDEN@....
> Action: failed
> Status: 5.5.0
> Diagnostic-Code: smtp;550 found in RBL (bl.spamcop.net)
>