> > A user writes an email and sends it to another user. The other user > > does not receive the email. This means that deliverability > is broken. > > The DNSBL is an agent in preventing that delivery. > > Is this unique to DNSBLs? If not, then why does it merit > deeper consideration in the context of DNSBLs? Because the draft <http://www.ietf.org/internet-drafts/draft-irtf-asrg-dnsbl-07.txt> that started this discussion has set the context of DNSBLs. You are right that it also merits deeper consideration in other contexts. --Michael Dillon _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf