On 6/30/05, Elliot F <[EMAIL PROTECTED]> wrote: > One could also use ldapdns, ldap2dns, mydns, etc... There are more mature > implementations of the idea. Anyway, it was another idea, on topic while John > was talking about methods of validating user addresses.
SPF is a very flexible protocol for validating user addresses through DNS. SPF macro language makes it possible to construct a name containing any information that is available at MAIL FROM time. I hope that is not news to anyone reading this. -- David L Nicol
