using System;
using System.Net;
using System.Net.Mail;
class Program
{
static void Main()
{
// 設定郵件內容
MailMessage mail = new MailMessage();
mail.From = new MailAddress("your_email@example.com");
mail.To.Add("recipient@example.com");
mail.Subject = "這是一封 HTML 郵件";
// 設置郵件內容為 HTML
string htmlBody = @"
<html>
<body>
<h1>你好！</h1>
<p>這是一封包含 PNG 圖片的 HTML 郵件。</p>
<img src='cid:myImage' alt='My Image' />
</body>
</html>";
mail.Body = htmlBody;
mail.IsBodyHtml = true;
// 添加 PNG 附件
Attachment inline = new Attachment("path_to_your_image.png");
inline.ContentId = "myImage";
inline.ContentDisposition.Inline = true;
mail.Attachments.Add(inline);
// 設定 SMTP 客戶端
SmtpClient smtp = new SmtpClient("smtp.example.com");
smtp.Port = 587; // 或者 465，根據你的 SMTP 伺服器設定
smtp.Credentials = new NetworkCredential("your_email@example.com", "your_password");
smtp.EnableSsl = true;
// 發送郵件
try
{
smtp.Send(mail);
Console.WriteLine("郵件發送成功！");
}
catch (Exception ex)
{
Console.WriteLine("發送郵件時出錯: " + ex.Message);
}
finally
{
// 清理
mail.Dispose();
smtp.Dispose();
}
}
}