两个asp.net发送邮件类

//第一个

using System;
using System.Text;
using System.Net.Mail;

namespace Cars.Tootls.Tools
{
    public class Email
    {

        private Email()
        {
            
        }

        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="Subject">主题</param>
        /// <param name="Body">发送内容</param>
        /// <param name="To">目标邮件地址，多个邮件用，逗号分隔</param>
        /// <returns></returns>
        public static bool Send(string Subject, string Body,string To)
        {
            string SysEmail = "****@grefam.com";
            string SiteName = "******";
            string smtpSite = "smtp.gmail.com";
            int Port = 25;
            bool SSL = true;
            string MailUser = "*****@grefam.com";
            string MailPwd = "*****";
           //NormalConfigInfo  configInfo = NormalConfig.Load();
            MailMessage message = new MailMessage();
            message.From = new MailAddress(SysEmail,SiteName);
            message.IsBodyHtml = true;
            message.BodyEncoding = Encoding.UTF8;
            message.SubjectEncoding = Encoding.UTF8;

            SmtpClient smtp = new SmtpClient();
            smtp.Host = smtpSite;
            smtp.Port = Port;
            smtp.EnableSsl = SSL;

            smtp.UseDefaultCredentials = false;
            smtp.Credentials = new System.Net.NetworkCredential(MailUser, MailPwd);
            smtp.DeliveryMethod = SmtpDeliveryMethod.Network;

            bool reBool = true;
            message.Subject = Subject;
            message.Body = Body;
            string[] tos = Utils.SplitString(To, ",");
            for (int i = 0; i < tos.Length; i++)
            {
                message.To.Add(tos[i]);
            }
            
            try
            {
                smtp.Send(message);
            }
            catch
            {
                reBool = false;
            }
            return reBool;
        }
    }

}
 
 

代码
//第二个

源代码如下：

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net.Mail;

public partial class mail : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        MailAddress MessageFrom = new MailAddress("jian0487@163.com"); //发件人邮箱地址 
        string MessageTo = "441232476@qq.com"; //收件人邮箱地址 
        string MessageSubject = "邮件主题"; //邮件主题 
        string MessageBody = "这里是邮件内容。"; //邮件内容 
        if (Send(MessageFrom, MessageTo, MessageSubject, MessageBody))
        {
            Response.Write("发送邮件成功");
        }
        else
        {
            Response.Write("发送邮件失败");
        }
    }

    /// <summary> 
    /// 发送电子邮件 
    /// </summary> 
    /// <param name="MessageFrom">发件人邮箱地址</param> 
    /// <param name="MessageTo">收件人邮箱地址</param> 
    /// <param name="MessageSubject">邮件主题</param> 
    /// <param name="MessageBody">邮件内容</param> 
    /// <returns></returns> 
    public bool Send(MailAddress MessageFrom, string MessageTo, string MessageSubject, string MessageBody)
    {
        MailMessage message = new MailMessage();
       
       // if (FileUpload1.PostedFile.FileName != "")
       // {
        //  Attachment att = new Attachment("d://test.txt");//发送附件的内容
       //    message.Attachments.Add(att);
       // }
       
        message.From = MessageFrom;
        message.To.Add(MessageTo); //收件人邮箱地址可以是多个以实现群发 
        message.Subject = MessageSubject;
        message.Body = MessageBody;
        //message.Attachments.Add(objMailAttachment);
        message.IsBodyHtml = false; //是否为html格式 
        message.Priority = MailPriority.High; //发送邮件的优先等级 
       
        SmtpClient sc = new SmtpClient();
        sc.Host = "smtp.163.com"; //指定发送邮件的服务器地址或IP 
        sc.Port = 25; //指定发送邮件端口 
        sc.Credentials = new System.Net.NetworkCredential("jian0487@163.com", "***"); //指定登录服务器的用户名和密码 
        
        try
        {
            sc.Send(message); //发送邮件 
        }
        catch
        {
            return false;
        }
        return true;

    }
}