[Dshield] Denying incoming email by reverse lookup of ISP DHCP-ed addresses
mike at thompsonmike.co.uk
Fri Jun 17 16:19:08 GMT 2005
On Friday 17 June 2005 16:46, Stef wrote:
> You all know how some of the ISPs started denying email from what are
> home-based accounts, probably by doing a reverse lookup on the
> incoming IP, and looking for strings "hinting" on the dynamic nature
> of that IP assignment (e.g.
Just use a dynamic IP blacklist.
Dont know about other MTA's but in postfix, use something like this
To see the world in a grain of sand,
and to see heaven in a wild flower,
hold infinity in the palm of your hands,
and eternity in an hour.
More information about the list