Oh, my bad!
It's acidy@xs4all.nl (damn aliases!)
This one should work!
Friend wrote:
hi acidfever,
the email i send you came back to me with this error message:
This is an automatically generated Delivery Status Notification
Delivery to the following recipient failed permanently:
tweaky@xs4all.nl
Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 9): 550 5.1.1 ... No such user
??