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SMTP flagged as SPAM

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Subject:SMTP flagged as SPAM
Summary:I am using SMTP senging class
Author:Antonio Sadek
Date:2011-07-26 01:37:40
Update:2011-07-26 02:14:45

  1. SMTP flagged as SPAM   Reply   Report abuse  
Antonio Sadek - 2011-07-26 01:37:40
Hi! I have been having a problem, I have been using the referenced class to send html emails. Below you'll see one of the headers of an email marked as SPAM. Probably this has nothing to do with the actual class, but since I beleive youre an expert, maybe you could give me a hint on why my emails have been markes as SPAM by Gmal.

Email Headers: (I have changed the email addresses for privacy)

Received: by with SMTP id k3cs97113iba;
Thu, 21 Jul 2011 08:02:26 -0700 (PDT)
Received: by with SMTP id ez8mr372377vdc.112.1311260545441;
Thu, 21 Jul 2011 08:02:25 -0700 (PDT)
Return-Path: <>
Received: from ( [])
by with ESMTP id da10si1845036vdc.113.2011.;
Thu, 21 Jul 2011 08:02:24 -0700 (PDT)
Received-SPF: neutral ( is neither permitted nor denied by best guess record for domain of client-ip=;
Authentication-Results:; spf=neutral ( is neither permitted nor denied by best guess record for domain of
Message-Id: <>
Received: (qmail 11159 invoked by uid 399); 21 Jul 2011 15:02:23 -0000
Received: from unknown (HELO localhost) (
by with ESMTP; 21 Jul 2011 15:02:23 -0000
From: Antonio Sadek <>
Subject: Saludos
Date: 2011-07-21 11:02:19
MIME-Version: 1.0
Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted printable
X-Mailer: PHP 4.x

Thanks in advance!!1



  2. Re: SMTP flagged as SPAM   Reply   Report abuse  
Manuel Lemos - 2011-07-26 02:14:45 - In reply to message 1 from Antonio Sadek
You are defining the message as being HTML but it isn't.