Please check if a test case is possible. +++ This bug was initially created as a clone of Bug #36524 +++ Postrm should only unset mail/antivir/spam (or ?) if "$1" = "remove". Also, we need to mail/antivir/spam=yes during update to UCS 4.0 (this is better than a mistakenly mail/antivir/spam=no because of the update)