/// <summary>
        /// 发送Email
        /// </summary>
        /// <param name="toMailAddress">收件人地址</param>
        /// <param name="isBCC">是否密件抄送</param>
        /// <param name="ccEmails">抄送的地址集合</param>
        /// <param name="subject">邮件的标题</param>
        /// <param name="body">正文</param>
        /// <param name="sendMailAddress">发送邮件的地址</param>
        /// <param name="senMailPwd">发送邮件的密码</param>
        /// <param name="port">端口号</param>
        /// <param name="host">smtp事务机的主机或者IP地址</param>
        /// <param name="attachments">附件的地址集合</param>
        /// <returns>TRUE/FALSE</returns>
        public bool SendMail(string toMailAddress, bool isBCC,
                              string[] ccEmails, string subject,
                              string body, string sendMailAddress,
                              string senMailPwd, int port, string host,
                              List<string> attachments,string sendName)
        {
            MailMessage msg = new MailMessage();
            msg.To.Add(toMailAddress);if (ccEmails != null)
            {
                foreach (string email in ccEmails)
                {
                    if (isBCC)
                    {
                        msg.Bcc.Add(email);
                    }
                    else
                    {
                        msg.CC.Add(email);
                    }
                }
            }

            msg.From