TS Glassey schrieb: >> 4. effects of DNS caching. if a host is removed from a blacklist it >> should arguably be removed from all caches instantly, but DNS isn't >> designed to facilitate that. > > The use of the term "SHOULD" here has legal implications - since many of > these hosts were put into the BL's by Address Spoofing they were in fact > NOT where the offensive SPAM was coming from and so placing those hosts > there when the real issue is the refusal of the EMAIL Admin to do proper > Header Filtration and Validation creates a direct liability. I'm sorry to jump in once more. The paragraph above is simply incorrect. A DNSBL that would be fooled by "address spoofing" would not provide much value. What do you mean by "address spoofing"? Falsified "From:" lines? -- Matthias _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf