[Samba] Remove the infected user

[Daniel Fenwick]

> > The better solution is to block attachments to the list.  That
eliminates
> > almost all viruses as well as all the other junk that floats around in
> > attachments.
>
> why not just run a virus scanner on the mail server which runs this
list...

The problem with trusting a virus scanner is that the virus software is
always a step behind the viruses.  Viruses get passed around before the
definition files are created and distributed.

Dan