C# simplifies network programming in .Net framework. C# describes various protocols using communication programming like Socket communications , SMTP mail , UDP , URL etc. The System.Net classes uses to communicate with other applications by using the HTTP, TCP, UDP, Socket etc. In the previous program we saw how to SMTP email from C# describes how to send an email with text body . Here we are sending an email with an attachment.
System.Net.Mail.Attachment attachment;
attachment = new System.Net.Mail.Attachment("c:\\containers.xls");
mail.Attachments.Add(attachment);
The following C# source code shows how to send an email with an attachment from a Gmail address . The Gmail SMTP server name is smtp.gmail.com and the port using send mail is 587 . Here using NetworkCredential for password based authentication.
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");
mail.Subject = "Test Mail - 1";
mail.Body = "mail with attachment";
System.Net.Mail.Attachment attachment;
attachment = new System.Net.Mail.Attachment("you attachment file");
mail.Attachments.Add(attachment);
SmtpServer.Port = 587;
SmtpServer.Credentials = new System.Net.NetworkCredential("username", "password");
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);
MessageBox.Show("mail Send");
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}
}
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You have to provide the necessary information like your gmail username and password etc.