proftpd-mod-dnsbl - 0.1.5-4+b3 main

ProFTPD module for mod-dnsbl (DNS Black-List/Block-List)
.
A DNS blacklist is a way in which the DNS can be used to
"blacklist" sites/addresses that have been deemd to be
"bad" in some way. These blacklists are often used by
email servers, for determining and rejecting email sent
by addresses known to be sources of spam.