发送单个邮件

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Text.RegularExpressions;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    public bool SendNetMail(string mailFrom, string mailTo, string mailPassWord,
        string Server_Address, int Server_port)
    {
       string mailSubject = "imyasgs";//主题
       string mailBody = "imqsgsgs"; //内容
        //创建邮件
        //参数说明：
        //mailFrom ：发送邮件地址
        //mailTo：接收邮件地址
        //mailPassWord：发送邮件的邮箱密码
        //mailSubject：邮件主题
        //mailBody：邮件内容
        //mailfilePath:邮件附件的路径集合，主要考虑到有时会发送多个附件的情况。
        //Server_Address:Smtp服务器地址
        //Server_port服务器端口

        System.Net.Mail.MailMessage newMail = new System.Net.Mail.MailMessage(mailFrom, mailTo, mailSubject, mailBody);
        newMail.IsBodyHtml = true;
        newMail.Priority = System.Net.Mail.MailPriority.Normal;//邮件发送优先级高

        //发送邮件
        string[] mailSmtp = Regex.Split(mailFrom, "@", RegexOptions.IgnoreCase);
        System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient(mailSmtp[1].Insert(0, Server_Address),

Server_port);
        client.Credentials = new System.Net.NetworkCredential(mailSmtp[0], mailPassWord);
        try
        {
            client.Send(newMail);
            return true;
        }
        catch
        {
            return false;

        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        ////读出数据库的发送邮件

        //string fa;
        //string mi;
        ////fff

        //foreach(DataRow dr in )
        //{
        //  bool  33=  fdf

        //      if(bool)
        //      {
              
        //      }
        //}
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        if (SendNetMail("x@163.com", "y@163.com", "aaa123456", "SMTP.", 25))
        {
            Page.ClientScript.RegisterStartupScript(this.GetType(), "test", "<script>alert('发送成功')</script>");

        }
        else
        {
            Page.ClientScript.RegisterStartupScript(this.GetType(), "test", "<script>alert('发送成功')</script>");
        }
        
    }
}