How to send email from C#

The Microsoft .NET framework provides two namespaces, System.Net and System.Net.Sockets for managed implementation of Internet protocols that applications can use to send or receive data over the Internet . SMTP protocol is using for sending email from C#. SMTP stands for Simple Mail Transfer Protocol . C# using System.Net.Mail namespace for sending email . We can instantiate SmtpClient class and assign the Host and Port . The default port using SMTP is 25 , but it may vary different Mail Servers .

The following C# source code shows how to send an email from a Gmail address using SMTP server. The Gmail SMTP server name is smtp.gmail.com and the port using send mail is 587 and also using NetworkCredential for password based authentication.

SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");
  SmtpServer.Port = 587;
  SmtpServer.Credentials =
  new System.Net.NetworkCredential("username", "password");

using System; using System.Windows.Forms; using System.Net.Mail; namespace WindowsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { try { MailMessage mail = new MailMessage(); SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com"); mail.From = new MailAddress("your_email_address@gmail.com"); mail.To.Add("to_address@mfc.ae"); mail.Subject = "Test Mail"; mail.Body = "This is for testing SMTP mail from GMAIL"; SmtpServer.Port = 587; SmtpServer.Credentials = new System.Net.NetworkCredential("username", "password"); SmtpServer.EnableSsl = true; SmtpServer.Send(mail); MessageBox.Show("mail Send"); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } } }

You have to provide the necessary information like your gmail username and password etc.