This change has dropped the X-BeenThere header, ie:
which means filtering the mails is no longer possible. There doesn't
appear to be any other distinguishing header.
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine. Supports Linux and Windows.