spf-discuss
[Top] [All Lists]

Re: AOL rejecting hosts with no rDNS?

2004-06-25 06:56:44
On Thu, Jun 24, 2004 at 09:42:43PM -0500, wayne wrote:
| 
| May people are under the misunderstanding that you can't delegate
| anything smaller than a class C (aka a /24).  You can, but it does
| require playing some tricks with DNS.  See RFC2317 for details:
| http://www.ietf.org/rfc/rfc2317.txt?number=2317

also see http://www.he.net/adm/reverse.dns.html
for some other techniques provided by an isp.