On Mar 26, 2004, at 10:51 AM, Matt Sergeant wrote:
If you genuinely can't block port 25 then the minimum you should be doing is periodically scanning DNSBLs for IPs in your netblock, and notifying the owners of their problems. That helps a lot.
We are really getting off-topic, but ORDB allows ISPs to subscribe to email notifications about open relays in their network:
http://ordb.org/faq/#isp_subscribtion
- ask
-- http://www.askbjoernhansen.com/
