On 3 Jun 98 at 10:05, Lou Schwing wrote: > >> ...reason: mail origin is listed in the "Filter=" list header... > > Do you use the * Filter= keyword in your list header? If so, check and see > if there is something about their mail domain that matches. Another possibility is that it's referring to the default filters, and the sender address is one of the no-no addresses, such as postmaster or daemon, or something similar. Francoise