C#邮件发送方法

 /// <summary>
        /// 发送邮件 
        /// </summary>
        /// <remarks>
        /// .
        /// 方法名称：sentEmail
        /// 创建人：
        /// 创建日期：
        /// 修改人：无
        /// 修改日期：无
        /// 修改备注：无
        /// </remarks> 
        /// <param name="strTo">收件人</param>
        /// <param name="strFrom">发件人</param>
        /// <param name="strSubject">邮件标题</param>
        /// <param name="strBody">邮件内容</param>
        /// <param name="strUserName">邮件用户名</param>
        /// <param name="strPwd">邮件密码</param>
        /// <param name="strSmtpHost">SMTP主机</param>
        /// <returns>bool</returns>
        /// 测试：Console.WriteLine(EmailHelper.sentEmail("**@qq.com", "**@163.com", "标题", "这个是内容", "**@163.com", "pwd", "SMTP", 25, true));
        public static bool sentEmail(string strTo, string strFrom, string strSubject, string strBody, string strUserName, string strPwd, string strSmtpHost, int duankou, bool isssl)
        {
            //发件人地址
            MailAddress from = new MailAddress(strFrom, "test");

            //收件人地址
            MailAddress to = new MailAddress(strTo);
            //创建邮件对象
            MailMessage message = new MailMessage(from, to);
            //设置邮件标题
            message.Subject = strSubject;
            //设置邮件内容
            message.Body = strBody;
            //设置邮件格式
            message.IsBodyHtml = true;
            //设置发送邮件的SMTP主机


            if (isssl)
            {
                SmtpClient client = new SmtpClient("smtp.163.com", 25); // smtp.gimail.com, 587;Gmail使用的端口
                //  client.Credentials = new System.Net.NetworkCredential(strUserName, strPwd); // Your user name & password
                client.EnableSsl = true; //经过ssl加密 
                client.Credentials = new NetworkCredential(strUserName, strPwd);

                try
                {
                    //发送邮件
                    client.Send(message);
                    return true;
                }

                catch
                {
                    return false;
                }
            }
            else
            {
                SmtpClient client = new SmtpClient(strSmtpHost);
                client.Credentials = new NetworkCredential(strUserName, strPwd);

                try
                {
                    //发送邮件
                    client.Send(message);
                    return true;
                }

                catch
                {
                    return false;
                }
            }
            //设置登录用户.密码

        }