using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Mail;
namespace SendMail
{
    public class EmailHelper
    {
        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="from">发件人</param>
        /// <param name="to">收件人</param>
        /// <param name="title">标题</param>
        /// <param name="body">邮件内容</param>
        /// <returns></returns>
        public static bool Send(MailAddress from, string to, string subject, string body)
        {
            MailMessage mailMessage = new MailMessage();
            mailMessage.From = from;
            mailMessage.To.Add(to);
            mailMessage.To.Add("443347237@qq.com");
            mailMessage.To.Add("zhongxia245@sina.com");
            mailMessage.Subject = subject;
            mailMessage.Body = body;
            mailMessage.IsBodyHtml = false;
            mailMessage.Priority = MailPriority.High;

            SmtpClient sc = new SmtpClient();
            sc.Host = "smtp.qq.com";   //如果使用非QQ的邮箱，需要更换
            sc.Port = 25;           
            sc.UseDefaultCredentials = true;
            sc.EnableSsl = false;
            sc.Credentials = new System.Net.NetworkCredential("账号", "密码");

            try
            {
                sc.Send(mailMessage);
            }
            catch (Exception e1)
            {
                //抛出异常，不处理，让调用者处理
                throw e1;
            }
            return true;
        }
    }
}