C# 一个发送邮件的帮助类

using System;
using System.Collections.Generic;
using System.Net.Mail;
using System.Text;

namespace Insert
{
    public class SendMailHelper
    {
        #region 常用邮箱发送邮件服务器

        //qq邮箱
        public const string QQSmtpServer = "smtp.qq.com";

        //网易163邮箱
        public const string WYSmtpServer = "smtp.163.com";

        //新浪邮箱
        public const string XLSmtpServer = "smtp.sina.com.cn";

        //谷歌gmail邮箱
        public const string GGSmtpServer = "smtp.gmail.com";
        #endregion
        

        #region 发送邮件
        /// <summary>
        /// Net 2.0 发送邮件
        /// </summary>
        /// <param name="strSmtpServer">发送邮件服务器</param>
        /// <param name="strFrom">发信人Email</param>
        /// <param name="strFromPass">发信人Email密码</param>
        /// <param name="strTo">收信人Email</param>
        /// <param name="strSubject">邮件主题</param>
        /// <param name="strBody">邮件内容</param>

        public static void Send(string strSmtpServer, string strFrom, string strFromPass, string strTo, string strSubject, string strBody)
        {
            SmtpClient client = new SmtpClient(strSmtpServer);
            client.UseDefaultCredentials = false;
            client.Credentials = new System.Net.NetworkCredential(strFrom, strFromPass);
            client.DeliveryMethod = SmtpDeliveryMethod.Network;
            Byte[] b = Encoding.Default.GetBytes(strBody);
            strBody = Encoding.GetEncoding("gb2312").GetString(b).ToString();
            MailMessage message = new MailMessage(strFrom, strTo, strSubject, strBody);
            message.BodyEncoding = Encoding.UTF8;
            message.IsBodyHtml = true;
            client.Send(message);
        }
        #endregion

    }

}