> I'm interested in this myself actually, what are you using to do this? Do you > have any informative links to share on the subject?
This was discussed in some depth on the procmail list recently, probably this month. Please make sure you read that thread *before* you decide to get into it. Pitfalls are numerous, standards are contradicting, and you're running a high risk of rejecting legitimate mail, apart from p***ing everyone off. Volker -- Volker Kuhlmann is possibly list0570 with the domain in header http://volker.dnsalias.net/ Please do not CC list postings to me.
