Email Attachment Size Limit
MailMessage mail = new MailMessage();
SmtpClient SmtpServer = new SmtpClient("smtp.live.com");
mail.From = new MailAddress("email@hotmail.co.uk");
mail.To.Add("receiving@hotmail.co.uk");
mail.Subject = "Emailed from C#";
mail.Body = "Emailed with attachment";
Attachment attachment;
attachment = new Attachment(@"C:file.txt");
mail.Attachments.Add(attachment);
SmtpServer.Port = 587;
SmtpServer.Credentials = new NetworkCredential("email@hotmail.co.uk", "password");
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);