private bool SendMail() { bool strRe = false; SmtpClient client = new SmtpClient(txtStmp.Text, 25); client.UseDefaultCredentials = false; client.DeliveryMethod = SmtpDeliveryMethod.Network; client.Credentials = new NetworkCredential(txtMailName.Text, txtSMTPPASS.Text); MailMessage SendMes = new MailMessage(new MailAddress(txtMailName.Text), new MailAddress(MailAdress.Text)); SendMes.Subject = MailTitle.Text; //邮件主题 SendMes.SubjectEncoding = Encoding.UTF8; //主题编码 SendMes.Body = MailNote.Text.Replace("\r\n", "").Replace("\t", ""); //邮件正文 SendMes.BodyEncoding = Encoding.UTF8; //正文编码 SendMes.IsBodyHtml = true; //设置为HTML格式 SendMes.Priority = MailPriority.High; //优先级 try { client.Send(SendMes); strRe = true; } catch (Exception ex) { throw ex; } return strRe; }