How to send email directly to user using C# in Windows 10 Apps?

问题

I have following code

 EmailMessage email = new EmailMessage();
 email.To.Add(new EmailRecipient("xyz@live.com"));
 email.Subject = "Msg Subject ";
 email.Body = "My Msg";
 await EmailManager.ShowComposeNewEmailAsync(email);

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showComposeNewEmailAsync() launches the email application with above message displayed, but I want to sent the email directly to the user without launching the email application. How can I do it?

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As I am new to coding please explain me in details.

回答1:

You have to work with Sockets and implement the SMTP behavior by yourself.

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Otherwise you could also use a SMTP client for WinRT. According to the Microsoft Forum this should also work with UWP.

回答2:

Use SMTP client for Windows Store as follows:

First install this Nuget Package:

Install-Package lightbuzz-smtp

Second include namespace

using LightBuzz.SMTP;

Then you can use this code snippet to send email directly from UWP app:

using (SmtpClient client = new SmtpClient("smtp.example.com", 465, false, "SenderEmail@example.com", "YourPassword"))
{
     EmailMessage emailMessage = new EmailMessage();

     emailMessage.To.Add(new EmailRecipient("someone1@anotherdomain.com"));
     emailMessage.CC.Add(new EmailRecipient("someone2@anotherdomain.com"));
     emailMessage.Bcc.Add(new EmailRecipient("someone3@anotherdomain.com"));
     emailMessage.Subject = "Subject line of your message";
     emailMessage.Body = "This is an email sent from a UWP app!";

     await client.SendMailAsync(emailMessage);
}

来源：https://stackoverflow.com/questions/34290921/how-to-send-email-directly-to-user-using-c-sharp-in-windows-10-apps