asp.net利用SmtpClient发送邮件

浏览数：16 / 时间：2015年06月09日

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using 
System;
using 
System.Data;
using 
System.Web.UI;
using 
System.Data.OracleClient;
using 
DBUtility;
using 
System.Text.RegularExpressions;
using 
System.Net;
using 
System.Net.Mail;
using 
System.Xml;
using 
System.Net.Mime;
using 
System.Text;
using 
System.Collections.Generic;
 
public 
partial 
class 
Page_ForgetPass : System.Web.UI.Page
{
    protected 
void 
Page_Load(object 
sender, EventArgs e)
    {
         
    }
 
    //提交邮件
    protected 
void 
btnMailSub_Click(object 
sender, EventArgs e)
    {
            //判断用户填入的邮箱地址是否在系统里面注册
            if 
(1 > 2)//自行修改一下
            {
 
            }
            else
            {
                string 
pass = GetPassByEmail(emailAdd);//通过邮件获取密码
                 
                //发送邮件修改密码
                try
                {
                    Dictionary<string, string> mailInfo = ReadXML();//读取配置文件，获取发送人、收件人信息
                    string 
fromEmailAdd = mailInfo["from"];//发件人邮箱地址。如：[email protected]
                    string 
fromalias = mailInfo["fromalias"];//发件人显示名字（别名，默认情况下显示发件人邮箱地址）。如：小龙，不写发件人则显示[email protected]
                    string 
fromEmailAddPass = mailInfo["frompass"];//发件人邮箱密码。如：123456——[email protected]邮箱登陆密码
                    string 
toEmailAdd = emailAdd;//有坚韧邮箱地址。如：[email protected]
                    string 
subject = mailInfo["subject"];//邮件标题。如：发送邮件的标题
                    string 
body = mailInfo["body"];//邮件正文。如：发送邮件正文
                    string 
host = mailInfo["host"];//发送邮件服务器（smtp.加上服务器地址）。如sina.com.cn——新浪域名
 
                    MailAddress from 
= new 
MailAddress(fromEmailAdd);//发送邮件邮箱地址
                    MailAddress to = new 
MailAddress(toEmailAdd);//发送邮件邮箱密码
                    MailMessage message = new 
MailMessage();
                    message.To.Add(to);
                    message.From = new 
MailAddress(fromEmailAdd, fromalias, Encoding.UTF8);
 
                    string 
bb = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                    bb += "<html>";
                    bb += "<head>";
                    bb += "<title></title>";
                    bb += "<style type=\"text/css\">";
                    //bb += "div{ width:100px; height:100px; background-color:Red;}";
                    bb += "</style>";
                    bb += "</head>";
                    bb += "<body>";
                    bb += "<div>";
                    bb += "尊敬的用户，您的密码是：" 
+ pass + "，请妥善保管您的密码！【世友租车】";
                    bb += "</div>";
                    bb += "</body>";
                    bb += "</html>";
 
                    message.IsBodyHtml = true;//是否是html
                    message.Priority = MailPriority.High;//优先级
                    message.Subject = subject;//发送邮件标题
                    message.SubjectEncoding = Encoding.UTF8;//标题编码
                    message.Body = bb;
                    message.BodyEncoding = Encoding.UTF8;//正文编码
                    SmtpClient client = new 
SmtpClient();
                    client.DeliveryMethod = SmtpDeliveryMethod.Network;
                    client.Port = 25;
                    client.Host = "smtp." 
+ host;//发送邮件服务器地址
                    client.Credentials = new 
System.Net.NetworkCredential(fromEmailAdd, fromEmailAddPass);//发送邮件邮箱地址和密码
 
                    client.Send(message);
                    string 
mess = Server.UrlEncode("密码已发送到您指定的邮箱，请注意查收！");
                    Response.Redirect("BackPass.html?mess=" 
+ mess);
                }
                catch 
(Exception ex) { }
            }
        }
        catch 
(Exception ex) { }                
    }
 
 
    //读取配置文件，获取邮件发送服务器信息
    private 
Dictionary<string, string> ReadXML()
    {
        Dictionary<string, string> hashMail = new 
Dictionary<string, string>();
        try
        {
            XmlDocument xmlDoc = new 
XmlDocument();
 
            xmlDoc.Load(Server.MapPath("xml/mail.xml"));//加载xml文件
 
            XmlNode root = xmlDoc.SelectSingleNode("mailinfo");//获取根节点
 
            //遍历所有节点，根节点除外。
            //将所有的节点名字和内容以键值对的方式存储。
            if 
(root.HasChildNodes)
            {
                foreach 
(XmlNode node in 
root.ChildNodes)
                {
                    hashMail.Add(node.Name, node.InnerText);
                }
            }
        }
        catch 
(Exception ex) { }
        return 
hashMail;
    }
}