Wietse Venema: > Erik Logtenberg: > > > > >> However in the case where the whitelist is (completely) unavailable for > > >> some period of time, I still think that my suggestion applies, don't you > > >> agree? > > > > > > No. It is assumed that you use a sufficiently reliable DNSWL. Ideally > > > a local mirror, and if it becomes unavailable you use appropriate > > > administrative intervention. > > > > Lol... > > > > My statement is: > > "A implies B" > > > > and you respond with: No, because: > > "not A" > > > > Logically, even if "not A" is the case, then still you haven't denied > > the given implication. In fact in the strictest sense you even affirmed > > it, because "not A" implies "A implies B", since false implies everything. > > It is a mistake to REJECT mail because a DNS whitelist server is down. > Instead, the safe action is DEFER_IF_PERMIT.
Argh. DEFER_IF_REJECT (we must not reject this mail because we don't know if it should have been whitelisted). Wietse