01.public void send_mail()
02.{
03. MailMessage mail = new MailMessage();
04. mail.From = new MailAddress(textBox1.Text);
05. mail.To.Add(textBox3.Text);
06. mail.Subject = textBox5.Text;
07. mail.Body = textBox4.Text;
08. if (textBox6.Text != "")
09. {
10. mail.Attachments.Add(new Attachment(textBox6.Text));
11. }
12. SmtpClient smtpServer = new SmtpClient();
13. smtpServer.UseDefaultCredentials = true;
14.
15. smtpServer.Port = 25;
16. smtpServer.Host = "xx.xx.xx.xxx";
17. smtpServer.EnableSsl = checkBox1.Checked;
18.
19. try
20. {
21. System.Net.ServicePointManager.ServerCertificateValidationCallback = delegate (object s,
22. System.Security.Cryptography.X509Certificates.X509Certificate certificate,
23. System.Security.Cryptography.X509Certificates.X509Chain chain,
24. System.Net.Security.SslPolicyErrors sslPolicyErrors)
25. {
26. return true;
27. };
28. smtpServer.Send(mail);
29. MessageBox.Show("Mail Send Success Fully");
30. }
31. catch (Exception ex)
32. {
33. MessageBox.Show(ex.Message,"Information");
34. }
35.
36.}
