windows – 2从IIS头部收到SMTP电子邮件通过C#应用程序发送

我正常使用 Windows Server 2008 r2和IIS 7.5.我正在使用IIS 6 smpt服务器发送电子邮件.现在,当我通过我的C#应用程序发送电子邮件时,我看到从标题收到2.可能是什么原因造成的？

同时显示gmail和hotmail标头

gmail：

Received-SPF: pass (google.com: domain of noreply@monstermmorpg.com designates 85.17.154.139 as permitted sender) client-ip=85.17.154.139;
MIME-Version: 1.0
From: "MonsterMMORPG"
 <noreply@monstermmorpg.com>
To: mypersonalemail@gmail.com
Date: 10 Mar 2012 16:16:28 +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
Message-ID: <XCPV002ednHM3SOlbpH0004e7c7@noreply.monstermmorpg.com>

hotmail标题

MIME-Version: 1.0
From: "MonsterMMORPG"
 <noreply@monstermmorpg.com>
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
Message-ID: <XCPV002DreBBsQwY6YH0004e7c9@noreply.monstermmorpg.com>

如果您检查,您将看到从标头收到2.我还要说明如何发送电子邮件和我的smtp服务器配置

这就是我发送电子邮件的方式C#

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);

这是IIS服务器配置

非常感谢您的帮助

每个处理邮件的SMTP服务器都会收到一个Received标头.在您的情况下,当您的应用程序通过SMTP连接到localhost并首次注入消息时,您会得到一个,当IIS系统将电子邮件传递给服务器以获取HotMail或GMail时,您会获得第二个消息.

这绝对是正常的,也是预料之中的.

windows – 2从IIS头部收到SMTP电子邮件通过C#应用程序发送

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