Recently a guy posted on the list about the problems he has been having for a month trying to resolve problems with sending mail. The posting made it appear the problem was a missing head-body separator in the mail he was sending.

I've been talking with him, and that turns out to not be the problem at all. I think I know what his problems generally are at this point, but I don't know enough to be able to help him myself. I'm including some of my analysis and suchlike here in the hope someone else can give him more help.

I think his biggest problem is that he is in Brasil, and the problems with separating commercial addresses from dialup and DSL addresses, along with hostname probelms in received headers are biting him.

Situation: there is a legit bed-and-breakfast that will send you a confirmation mail if you fill out their web reservation form. Just like any hotel with online reservation. The headers for one such mail look like:

----------
X-Spam-Virus: No
X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08)
X-Spam-Level: **
X-Spam-Status: No, score=0.7 required=5.0 tests=BAYES_50=0.001,
HELO_MISMATCH_NET=0.611,RDNS_NONE=0.1 autolearn=disabled
version=3.2.3
Return-Path: <[EMAIL PROTECTED]>
Received: from noehlo.host ([127.0.0.1])
by mx-pigeons.atl.sa.earthlink.net (EarthLink SMTP Server) with SMTP id 1jGWCF3RR3Nl34g0; Wed, 2 Apr 2008 02:39:01 -0400 (EDT)
Received: from k2smtpout06-01.prod.mesa1.secureserver.net ([64.202.189.102])
by mx-pigeons.atl.sa.earthlink.net (EarthLink SMTP Server) with SMTP id 1jGWCE6yu3Nl34g0
for <[EMAIL PROTECTED]>; Wed, 2 Apr 2008 02:39:00 -0400 (EDT)
Received: (qmail 12925 invoked from network); 2 Apr 2008 06:39:00 -0000
Received: from unknown (HELO Pousada.com.br.secureserver.net) (72.167.52.118) by k2smtpout06-01.prod.mesa1.secureserver.net (64.202.189.102) with ESMTP; 02 Apr 2008 06:39:00 -0000
Received: (qmail 21818 invoked by uid 48); 1 Apr 2008 23:38:59 -0700
Date: 1 Apr 2008 23:38:59 -0700
Message-ID: <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject:  Solicitacao de Informacoes ou de Reserva Enviada
From: [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
Content-type: text/plain; charset=iso-8859-1
---------------

I think the problems are all in the received headers. He has reports that AOL and other places are rejecting these confirmation messages. He sent me an analysis he got from some email analysis company on the web:

---------------
> Having an PTR like ip-72-167-52-118.ip.secureserver.net does not look > like
> someone had the intention to run a mailrelay on.
>
> With such an PTR you will not just be blocked by UCEPROTECT-Appliances,
> you can expect wide delivery problems out there.
>
> Big providers as AOL would also not accept mail from you at this time.
>
> See:http://postmaster.info.aol.com/guidelines/standards.html
>
> "AOL's mail servers will not accept connections from systems that use
> dynamically assigned or residential IP addresses."
>
> So my suggestion to you is to get individual PTR's for IP's you want to
> use as mailservers.
--------------

Can someone help him along form here? He isn't really an email guy, so "PTR record" doesn't tell him how to fix things. Remember this is Brasil, so there may be difficulties in getting things set up properly. Perhaps someone from there could offer some suggestions?

Thanks,

       Loren

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