不久前，我在虚拟机上设置了Exchange Server来玩弄它，看看我是否可以让一个正常的邮件服务器正常工作。我认为我做得很好，因为我能够在网络内部发送和接收消息，并且能够将电子邮件发送到Internet。

但是，当我使用远程桌面登录到网络外部的计算机并尝试向我在Exchange Server上创建的帐户发送电子邮件时，我收到以下消息：

You do not have permission to send to this recipient. For assistance, contact your system administrator.

其次是某种消息中继错误：

<myserver.mydomain.com #5.7.1 smtp;550 5.7.1 Unable to relay for [email protected]>

请注意，如果您因为尝试向某人发送电子邮件而来到此页面，并且您不确定这是您的问题还是接收方的问题，那么肯定是接收方的问题！在这种情况下，您需要打电话给您尝试发送电子邮件的人，并告诉他们将该问题通知网络或电子邮件管理员。

这基本上是必须修复的Exchange Server的配置问题。因此，如果您域中的用户无法接收来自内部网络外部的电子邮件，那么您必须执行以下操作。

修复交换问题

第 1 步^{(Step 1)}：在Exchange 系统管理器^{(Exchange System Manager)}中，展开服务器^(Servers)，展开协议^(Protocols)，然后展开SMTP。

第 2 步^{(Step 2)}：选择您用于连接到外部的SMTP 虚拟服务器^{(SMTP Virtual Server)}，然后右键单击并选择选项^{(Options )}或属性。^{(Properties.)}

第 3 步^{(Step 3)}：在访问^(Access)选项卡上，单击中继^(Relay)。

第 4 步^{(Step 4)}：首先，选择Only the list be low。现在您将要取消选中授权中继到经过身份验证的计算机^{(Authorize relay to authenticated computers)}或允许所有成功通过身份验证的计算机中继^{(Allow all computers which successfully authenticate to relay )}复选框，然后单击用户^(Users)按钮。

第 5 步^{(Step 5)}：选中已验证用户的^{(Authenticated Users)}允许^(Allow)框（提交权限^{(Submit Permission)}和回复权限^{( Reply Permission)}）。

就是这样！现在您所要做的就是从Exchange的主控制台窗口启动和停止SMTP 服务器^{(SMTP Server)}！外部^(External)用户现在应该能够向您的域发送电子邮件，而不会出现“无法中继”或“您无权发送给此收件人”错误。享受！

How to Fix “You do not have permission to send to this recipient”

A while ago I ѕetup Exchange Server on a virtual machine to play around with it and sеe if I could get a proрer mail server working. I thought I did pretty well becausе I was able to send and receive messages internally on the network and was able to send emailѕ out to the Internet.

However, when I logged into a computer external to my network using remote desktop and tried to send an email to an account I created on the Exchange Server, I got the following message:

You do not have permission to send to this recipient. For assistance, contact your system administrator.

Followed by some kind of message relay error :

<myserver.mydomain.com #5.7.1 smtp;550 5.7.1 Unable to relay for [email protected]>

Note that if you have come to this page because you are trying to send an email to someone and you’re not sure if it’s a problem on your side or with the receiving side, it’s definitely with the receiving side! In that case, you need to call up the person you are trying to email and tell them to notify the network or email administrator of the problem.

It’s basically a configuration problem with Exchange Server that has to be fixed. So if users on your domain cannot receive email from outside of the internal network, here’s what you have to do.

Fix Exchange Issue

Step 1: In Exchange System Manager, expand Servers, expand Protocols and then expand SMTP.

Step 2: Select the SMTP Virtual Server that you are using to connect to the outside and right-click and choose Options or Properties.

Step 3: On the Access tab, click on Relay.

Step 4: First, choose Only the list below. Now you will want to uncheck the Authorize relay to authenticated computers or Allow all computers which successfully authenticate to relay check box and click on the Users button.

Step 5: Check the Allow boxes for Authenticated Users (Submit Permission and Reply Permission).

That’s it! Now all you have to do it start and stop the SMTP Server from the main console window in Exchange! External users should now be able to send emails to your domain without getting the “Unable to relay” or “You do not have permissions to send to this recipient ” error. Enjoy!

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