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POMultiple headers are being sent when sending email via C# and IIS smtp
 

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  1. POMultiple headers are being sent when sending email via C# and IIS smtp
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    <p>I am sending emails via my C# application the way below</p> <pre><code>MailMessage mail = new MailMessage(); mail.To.Add(srEmail); mail.From = new MailAddress("noreply@monstermmorpg.com", srSender); mail.Subject = srEmailTitle; mail.Body = srEmailBody; mail.IsBodyHtml = true; mail.SubjectEncoding = System.Text.Encoding.UTF8; mail.BodyEncoding = System.Text.Encoding.UTF8; SmtpClient smtp = new SmtpClient(); smtp.DeliveryMethod = SmtpDeliveryMethod.Network; smtp.UseDefaultCredentials = true; smtp.Host = "127.0.0.1"; smtp.Port = 25; smtp.Send(mail); </code></pre> <p>I am using windows server 2008 R2 and IIS 7.5 but for mail service using IIS 6.0</p> <p>Now the IIS config is the way below</p> <p><img src="https://i.stack.imgur.com/Cb7y7.png" alt="enter image description here"></p> <p>I am not sure whether this problem caused by IIS or C# application so best to ask it. Thanks for the replays. The problem can be seen at the below i mean multiple received from headers</p> <pre><code>x-store-info:sbevkl2QZR7OXo7WID5ZcaZ0jeT0hTF6w5JqyzrMGIIJ4/L/t2gj2cA4gOeWpl7k+VkJUhAu0L19pcdx17/6zH+umIRUQcxNC7a6JMdOu4uk+atrpASsFAd6JPSp2WMA Authentication-Results: hotmail.com; sender-id=temperror (sender IP is 85.17.154.139) header.from=noreply@monstermmorpg.com; dkim=none header.d=monstermmorpg.com; x-hmca=none X-Message-Status: n:0:n X-SID-PRA: MonsterMMORPG &lt;noreply@monstermmorpg.com&gt; X-DKIM-Result: None X-AUTH-Result: NONE X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0xO0Q9MTtHRD0xO1NDTD0w X-Message-Info: NhFq/7gR1vQcnWpWXvTdSPoVLSrfQUf9NNYiD+nue1hb767bbTKXz+tuMD66iU4vKsnCmrISnMcViv7BRc8FinIdJij0qRdzfb9MQFyl8Qnq2jH2yHHz6W3BUjjFUEclGZIdpMuV4EQ= Received: from noreply.monstermmorpg.com ([85.17.154.139]) by BAY0-MC3-F1.Bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4900); Sat, 10 Mar 2012 08:20:03 -0800 Received: from XCPV002 ([127.0.0.1]) by noreply.monstermmorpg.com with Microsoft SMTPSVC(7.5.7601.17514); Sat, 10 Mar 2012 16:20:03 +0000 MIME-Version: 1.0 From: "MonsterMMORPG" &lt;noreply@monstermmorpg.com&gt; To: mypersonalemail@hotmail.com Date: 10 Mar 2012 16:20:03 +0000 Subject: =?utf-8?B?UG9rZW1vbkNyYWZ0IGRhaGEga2FsaXRlbGkgYmlyIG95dW4g?= =?utf-8?B?b2xhcmFrIGdlcmkgZMO2bmTDvC4gRXNraSBoZXNhYsSxbsSxeiBkdXJ1?= =?utf-8?B?eW9yLg==?= Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: base64 Return-Path: noreply@monstermmorpg.com Message-ID: &lt;XCPV002DreBBsQwY6YH0004e7c9@noreply.monstermmorpg.com&gt; X-OriginalArrivalTime: 10 Mar 2012 16:20:03.0608 (UTC) FILETIME=[A62AC180:01CCFED9] </code></pre> <p>If you look carefully you will see there are 2 received from headers. I want to make it only single one. So basically removing the second received from header.</p>
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    1. USMonsterMMORPG
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    1. COI am not sure but I think the Received here means the mail server that has processed this message as intermediates before your mail was received by the receiver. So this is just the way it is shown in the message header at the receiver. Why would you like to have only one of those???
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    2. COWell i have fear that it would increase dropping spam box chance.
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    3. COHardly. Many companies run emails through an internal mail server before it hits the internet.
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      1. USTomTom
 

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