使用SmtpClient從Gmail發送電子郵件

Question

我試圖通過SmtpClient連接到我的Gmail帳戶，但它似乎無法正常工作。我指定了端口465，啓用SSL並定義了所有內容，但需要2分鐘，然後只顯示消息未發送的錯誤。

我在這裏做錯了什麼？

try 
{ 
    MailMessage msg = new MailMessage(); 
    msg.From = new MailAddress("myemail@gmail.com); 
    msg.To.Add(new MailAddress("theiremil@email.com)); 
    msg.Subject = "This is the subject"; 
    msg.Body = "This is the body"; 
    SmtpClient sc = new SmtpClient("smtp.gmail.com", 465); 
    sc.EnableSsl = true; 
    sc.UseDefaultCredentials = false; 
    sc.Credentials = new NetworkCredential("myemail@gmail.com", "pass"); 
    sc.DeliveryMethod = SmtpDeliveryMethod.Network; 
    sc.Send(msg); 
    erroremail.Text = "Email has been sent successfully."; 
} 
catch (Exception ex) 
{ 
    erroremail.Text = "ERROR: " + ex.Message; 
} 

Answer 1

你需要讓 「不夠安全的應用」：

https://support.google.com/accounts/answer/6010255

代碼：

try 
{ 
    new SmtpClient 
    { 
     Host = "Smtp.Gmail.com", 
     Port = 587, 
     EnableSsl = true, 
     Timeout = 10000, 
     DeliveryMethod = SmtpDeliveryMethod.Network, 
     UseDefaultCredentials = false, 
     Credentials = new NetworkCredential("MyMail@Gmail.com", "MyPassword") 
    }.Send(new MailMessage {From = new MailAddress("MyMail@Gmail.com", "MyName"), To = {"TheirMail@Mail.com"}, Subject = "Subject", Body = "Message", BodyEncoding = Encoding.UTF8}); 
    erroremail.Text = "Email has been sent successfully."; 
} 
catch (Exception ex) 
{ 
    erroremail.Text = "ERROR: " + ex.Message; 
}