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Sending email via GMail in C#/.NET using SmtpClient

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I’ve stubbed my toe on this a couple of times, so here is the magic incantation:

using (SmtpClient smtp = new SmtpClient())
{
    smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
    smtp.UseDefaultCredentials = false;
    smtp.EnableSsl = true;
    smtp.Host = "smtp.gmail.com";
    smtp.Port = 587; 
    smtp.Credentials = new NetworkCredential("[email protected]""password");
    // send the email
}

Update 2015-02-11: A comment below from Shika Helmy suggests that adding a timeout might be helpful. Also note that if you have enabled two factor authentication for your Google Account you'll need to generate an app password in order to use basic authentication to the Gmail SMTP server.

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Comments

Salvador Cazorla
Sorry but, for me, this code not working. Server return an authentication error
Shika Helmy
// Gmail Address from where you send the mail var fromAddress = "[email protected]"; // any address where the email will be sending var toAddress = YourEmail.Text.ToString(); //Password of your gmail address const string fromPassword = "pass"; // Passing the values and make a email formate to display string subject = YourSubject.Text.ToString(); string body = "From: " + YourName.Text + "\n"; body += "Email: " + YourEmail.Text + "\n"; body += "Subject: " + YourSubject.Text + "\n"; body += "Question: \n" + Comments.Text + "\n"; // smtp settings var smtp = new System.Net.Mail.SmtpClient(); { smtp.Host = "smtp.gmail.com"; smtp.Port = 587; smtp.EnableSsl = true; smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; smtp.Credentials = new NetworkCredential(fromAddress, fromPassword); smtp.Timeout = 20000; } // Passing values to smtp object smtp.Send(fromAddress, toAddress, subject, body);

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