Re: Trying to find out cause of blacklisting

In article <[email protected]>,
 "Mike Easter" <[email protected]> wrote:

> Mike Easter wrote:
> 
> > mean that the parser made a mistake and named an IP such as the server
> > as a source when it should have named something else -- altho' the
> > parser is designed to name a user IP behind the server and not the
> > server, so if the parser is 'unfamiliar' with the server and if the
> > server's Received tracelines are non-compliant, then the parser can
> > 'trip' and break the chain back to the user IP prematurely.
> 
> Speaking of tripping and naming a server when there's a user IP behind
> it....
> 
> I found a set of headers^1 which involve a Received traceline by your
> server which looks very noncompliant to me, and which would get your
> server named instead of the user which relayed thru' it.
> 
> <partial headers>
> 
> Received: from ns1.pil.net (ns1.pil.net [208.8.16.10])
>         by iq12.iqnection.com (Postfix) with SMTP id B55BA7E24
>         for <[email protected]>;
>         Tue, 20 Apr 2004 15:48:25 -0400 (EDT)
> Received: (qmail 16043 invoked from network); 20 Apr 2004 19:51:01 -0000
> Received: from unknown (HELO ambler) (151.197.26.29)
>         by 0 with SMTP; 20 Apr 2004 19:51:01 -0000
> 
> Those headers show your server relaying for ambler 151.197.26.29  rDNS
> pool-151-197-26-29.phil.east.verizon.net  because I believe ambler to be
> amblertheater.org which you provide the MX for, so I'm betting that you
> also provide the output for the amblertheater.
> 
> That bottom line is noncompliant.  SC would call the server 208.8.16.10
> the source instead of the relay because the 'by' field of the bottom
> line is deficient as '0' instead of the domainname of the relay.
> 
> If your server is still configured that way, I would fix it.

That customer is allowed to relay through us, probably used POP before 
SMTP to authenticate as an allowed relay.  They do not get their 
connectivity through us, obviously.

Which RFC is it non-compliant with?

BTW, where did you get those headers?

Thanks again!