How to send email with attachment from C#

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("your attachment file"); 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");
Full Source C#
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("your 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()); } } } }

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






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