使用 C# 查找 MX 记录? [英] Finding the MX Record using C#?

问题描述

如何在 C# 中找到邮件服务器的 MX 记录?

How can I find the MX record for a mail server in C#?

推荐答案

可以使用Robert 和 RPK 获取给定域的 MX 记录.

You can use the answer of Robert and RPK to get the MX record of a given domain.

但是您需要一个 DNS 服务器来完成这项工作.如果你想检测你的代码执行所在机器的DNS服务器，你可以使用下面的.

But you'll need a DNS server to do the job. If you want to detect the DNS server of the machine where your code is executed, you can use the following.

NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface adapter in adapters)
{
    IPInterfaceProperties properties = adapter.GetIPProperties();

    if (properties.DnsAddresses.Count > 0)
        foreach (IPAddress ipAddress in properties.DnsAddresses)
             dnsServers.Add(ipAddress.ToString(), 53);
}

有一个完整解决方案(或在github here) 如果您不想重写所有内容，它将完成整个工作.寻找 GetMxRecords 静态方法.

There is a complete solution (or at github here) that will do the whole job if you don't want to rewrite everything. Look for GetMxRecords static method.

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