#region 郵件發(fā)送
/// <summary>
/// 發(fā)送郵件支持HTML格式 先引用System.Net.Mail;
/// </summary>
/// <param name="MailFrom">發(fā)送人Email 如demo@126.com</param>
/// <param name="MailServer">郵件服務器 如mail.126.com</param>
/// <param name="MailUserName">登陸用戶名 如demo@126.com</param>
/// <param name="MailPassword">登陸密碼 如123456</param>
/// <param name="mailto">收件人郵箱</param>
/// <param name="title">郵件標題</param>
/// <param name="msg">郵件正文</param>
/// <returns>成功 true; 失敗 false</returns>
public static bool SendSmtpEmail(string MailFrom, string MailServer, string MailUserName, string MailPassword, string mailto, string title, string msg)
{
    var client = new SmtpClient();
    client.Host = MailServer;
    client.UseDefaultCredentials = false;
    client.Credentials = new System.Net.NetworkCredential(MailUserName, MailPassword);
    client.DeliveryMethod = SmtpDeliveryMethod.Network;
    System.Net.Mail.MailMessage message = new MailMessage(MailFrom, mailto);
    message.Subject = title;
    message.Body = msg;
    message.SubjectEncoding = System.Text.Encoding.UTF8;
    message.BodyEncoding = System.Text.Encoding.UTF8;
    message.IsBodyHtml = true;
    message.Priority = MailPriority.High;
    message.IsBodyHtml = true;
    try
    {
      client.Send(message);
      return true;
    }
    catch
    {
      return false;
    }
}
#endregion