带格式文本的C#发送键

using System;
using System.Net;
using System.Net.Mail;

class Program
{
    static void Main(string[] args)
    {
        // 设置发送方的电子邮件信息
        string fromEmail = "your_email@example.com";
        string password = "your_password";

        // 设置接收方的电子邮件信息
        string toEmail = "recipient_email@example.com";

        // 创建邮件对象
        MailMessage mail = new MailMessage();
        mail.From = new MailAddress(fromEmail);
        mail.To.Add(new MailAddress(toEmail));
        mail.Subject = "带格式文本的邮件";
        mail.Body = "<h1>这是一封带有格式的邮件</h1><p>这是邮件的正文内容。</p>";

        // 设置邮件的格式为HTML
        mail.IsBodyHtml = true;

        // 创建SMTP客户端
        SmtpClient client = new SmtpClient("smtp.example.com", 587);
        client.EnableSsl = true;
        client.Credentials = new NetworkCredential(fromEmail, password);

        try
        {
            // 发送邮件
            client.Send(mail);
            Console.WriteLine("邮件发送成功！");
        }
        catch (Exception ex)
        {
            Console.WriteLine("邮件发送失败：" + ex.Message);
        }
    }
}