使用C#通过Gmail SMTP服务器发送电子邮件

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

namespace SendEmailThroughGmailSMTP
{
    class Program
    {
        static void Main(string[] args)
        {
            // 设置发件人、收件人、主题和正文
            string from = "your_email@gmail.com";
            string to = "recipient_email@example.com";
            string subject = "Test email";
            string body = "This is a test email sent through Gmail SMTP server using C#.";

            // 创建SMTP客户端
            SmtpClient smtpClient = new SmtpClient("smtp.gmail.com", 587);

            // 设置SMTP客户端的凭据
            smtpClient.Credentials = new NetworkCredential(from, "your_password");

            // 启用加密方式
            smtpClient.EnableSsl = true;

            // 创建邮件消息
            MailMessage mailMessage = new MailMessage(from, to, subject, body);

            // 发送邮件
            smtpClient.Send(mailMessage);

            Console.WriteLine("Email sent successfully!");
        }
    }
}