发送邮件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Net.Mail;
using System.Windows;
using System.Windows.Forms;
using System.Web.Services;

namespace Projects_Manager.Web
{

    public class Emails
    {
        [WebMethod]
        static public void SendEmail(string fromaddress, string toaddress, string title, string content)
        {
            try
            {
                System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage();
                msg.To.Add(toaddress);
                msg.From = new MailAddress(fromaddress, "wudi", System.Text.Encoding.UTF8);
                /* 上面3个参数分别是发件人地址（可以随便写），发件人姓名，编码*/
                msg.Subject = title;//邮件标题    
                msg.SubjectEncoding = System.Text.Encoding.UTF8;
                msg.Body = content;//邮件内容    
                msg.BodyEncoding = System.Text.Encoding.UTF8;
                msg.IsBodyHtml = false;//是否是HTML邮件    
                msg.Priority = MailPriority.High;//邮件优先级    
                SmtpClient client = new SmtpClient();
                client.Credentials = new System.Net.NetworkCredential("wudi@163.com", "wudi");
                //上述写你的 邮箱和密码    
                client.Port = 25;//Gmail使用的端口    
                client.Host = "smtp.163.com";
                client.EnableSsl = true;//经过ssl加密    
                object userState = msg;
                client.SendAsync(msg, userState);    

            }
            catch (System.Net.Mail.SmtpException ex)
            {
                MessageBox.Show(ex.Message, "发送邮件出错");
            }    
        }
    }
}