asp.net利用SmtpClient发送邮件
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：xxxlong@sina.com
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xxxlong@sina.com
string fromEmailAddPass = mailInfo\["frompass"\];//发件人邮箱密码。如：123456——xxxlong@sina.com邮箱登陆密码
string toEmailAdd = emailAdd;//有坚韧邮箱地址。如：892764123@qq.com
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;
} }
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