On 07/06/16 01:07, Bill Cole wrote: > 4. The resolver cache honors (as most do) a DNSBL's negative cache TTL > which is less than 60 seconds, e.g. Spamcop (0 seconds) or the various > Spamhaus lists (10) and others.
postscreen (specifically dnsblog(8)) honors this as well, but it's not made entirely clear in the docs. Peter