odd sendmail errors

If there is a error in sending a email -- for instance clamav catches a virus I always get a returned email error to postmaster...

----- The following addresses had permanent fatal errors -----
u.egli.japs.ch
(reason: 553 5.3.0 ... User unknown)
(expanded from: u.egli.japs.ch)

That is wrong -- the email address should be u.egli@japs.ch -- somehow VM is not translating the user.domain correctly someplace.

Status: 
Closed (fixed)