On 6 Nov 2006 as I do recall, Dave Barnett wrote: > Observing that an e-mail with a 'Subject:' starting with 'Re:' would > normally be expected to be replying to something, and that a spam > would not be replying to anything, a double rule: > > Defer Subject: = Re: * > And References: - > > detects this. A 'References:' header should be included in replies. > I am not yet sure how 'cc' and 'bcc' messages are affected. Some (apparently common) PC programs don't include References: headers. <sigh> -- H. Bazley It is easier to fight for one's principles than to live up to them.