On 03/11/2015 01:49 PM, Gibbs, David wrote:
On 3/10/2015 5:08 PM, Reindl Harald wrote:
for postfix there is "check_sender_ns_access
hash:/etc/postfix/blacklist_ns.cf" with the advantage of logging and a
proper reject
cat /etc/postfix/blacklist_ns.cf
ns1.sedoparking.com REJECT Domain is parked at sedo.com
ns2.sedoparking.com REJECT Domain is parked at sedo.com
Has anyone come up with a SA rule or plugin that does the same thing?
I'd love to block mail from parked domains, but I use sendmail and can't
find a way to block like postfix can.
david
try a urifullnsrhssub rule checking "header" instead of "body"
or bend AskDNS to do it.
In any case you'll need to be running a DNS BL to query.
