Autor: Marilyn Davis Data: A: J.Goldberg CC: marilyn, exim-users, zapa Assumpte: Re: [EXIM] IP spoofing
>
> On Sat, 8 May 1999, Jeffrey Goldberg wrote:
>
> > First there is a shocking number of hosts sending mail without proper
> > reverse (PTR) lookups. So there are legitimate, but misconfigured,
> > mailhubs for which you can't map from IP address to any domain name.
>
> I just checked yesterday's logs on one hub and found that 729 messages
> were from such hosts, although often just a few such hosts produced a
> number of such messages.
That's ok, I think. We want to go the other direction, from domain to
ip address.
