使用PDF附件发送电子邮件(C#)

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

class Program
{
    static void Main(string[] args)
    {
        // 邮件发送方的邮箱地址和密码
        string senderEmail = "your_email@example.com";
        string senderPassword = "your_password";

        // 邮件接收方的邮箱地址
        string receiverEmail = "receiver_email@example.com";

        // 创建一个MailMessage对象
        MailMessage mail = new MailMessage(senderEmail, receiverEmail);

        // 设置邮件主题和正文
        mail.Subject = "这是一封带有PDF附件的电子邮件";
        mail.Body = "请查收附件。";

        // 创建一个Attachment对象，指定PDF文件的路径
        Attachment attachment = new Attachment("path_to_pdf_file.pdf");

        // 将附件添加到邮件中
        mail.Attachments.Add(attachment);

        // 创建一个SmtpClient对象，用于发送邮件
        SmtpClient smtpClient = new SmtpClient("smtp.example.com", 587);
        smtpClient.EnableSsl = true;
        smtpClient.Credentials = new NetworkCredential(senderEmail, senderPassword);

        try
        {
            // 发送邮件
            smtpClient.Send(mail);
            Console.WriteLine("邮件发送成功！");
        }
        catch (Exception ex)
        {
            Console.WriteLine("邮件发送失败：" + ex.Message);
        }
        finally
        {
            // 释放资源
            mail.Dispose();
            attachment.Dispose();
            smtpClient.Dispose();
        }

        Console.ReadLine();
    }
}