Re: [Exim] Port 587

On 9/22/2004 19:09, "Andrew - Supernews" <andrew@???> wrote:

>>>>>> "John" == John W Baxter <jwblist@???> writes:
>
> John> It's also likely to keep your messages out of those sites who
> John> tell SpamAssassin/pick-alternative to check ALL received
> John> headers for unwanted ips, as many dnsbls don't like any part of
> John> 127/8.
>
> What DNSBLs would those be, then?

For example:
[root@intEntiat exim]# host 2.0.0.127.sbl-xbl.spamhaus.org
2.0.0.127.sbl-xbl.spamhaus.org has address 127.0.0.2
2.0.0.127.sbl-xbl.spamhaus.org has address 127.0.0.4
2.0.0.127.sbl-xbl.spamhaus.org has address 127.0.0.6

>
> (and anyone rejecting mail just because 127.0.0.1 appears in a Received
> header is in for a world of hurt anyway)

I didn't say it was sensible. I agree with your assessment.

One place we encountered it was the US Navy site which relays to crew
accounts on ships at sea. (It was actually 127.0.0.2 which wasn't wanted.)
My "solution" is a custom received_header_text = setting which replaces the
127.0.0.2 with another address which represents the same machine.

I don't know whether that site would still reject messages from us if I took
out the Received: header "adjustments" or not.

--John