User503812343 posted
Try Below code
SmtpClient smtpClient = new SmtpClient("smtp-mail.outlook.com", 587); //587
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = new System.Net.NetworkCredential("<your email id>", "<password>");
smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
smtpClient.EnableSsl = true;
MailMessage mail = new MailMessage();
mail.From = new MailAddress("<your email id>", "<your name>");
mail.To.Add(new MailAddress("<to email>"));
mail.CC.Add(new MailAddress("<cc email>"));
smtpClient.Send(mail);