Auteur: Jeremy Harris Datum: Aan: exim-users @ exim. org Onderwerp: Re: [exim] Checking all received IP's in Spamhaus?
John W. Baxter wrote: > On 3/11/2005 0:15, "Marc Perkel" <marc@???> wrote:
>
>
>>Instead of just checking the connecting host - can I check ALL the IPs
>>in the received headers to see if any of them is listed?
>>
>>How can I do that?
>
>
> People who do this caused us to have a rather complex received_header_text
> setting. At one point in our mail flow we receive a message into a loopback
> address that DNSBLs generally report as bad...I have to mask that with the
> machine's real address.
>
> The first place I ran into it knowingly was the forwarder which sends to
> private vessels at sea...the Navy address which forwards to sailors aboard
> ship underway also didn't like it. Heavy filtering is understandable in
> both cases...messages are expensive in that context.
I can't say I've too much sympathy for a site which rejects mail
because a Received: header contains either 127.0.0.1 or an RFC1918
address.