On 25 Mar 2019, at 13:02, David B Funk wrote:
For example, I've seen increasing amounts of spam which contain cloud based URLs in the body of the message (worthless for URIBL filtering) which may also contain URLs in the headers that are specific to the spammer source (thus viable targets for URIBL filters).A blanket prohibition against header URI mining would miss out on that data.
+1
