Re: [exim] Confused about SEEN in filter

Marc Perkel wrote:

> What I'm doing is testing a header and making sure it is "seen" so that
> the filter will eat the message afterwards. But I'm also delivering
> copies of it conditionally to several other email addresses. But I'm
> trying to ensure the original will not be delivered.

Use John Burnham's tip--that will do exactly what you want.