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用Gmail成功发送邮件

//下面是Gmail邮箱发邮件的方法,测试成功

        private void button1_Click(object sender, EventArgs e)
        {
            MailAddress from = new MailAddress("这里是收件人的邮件地址", "caojy");
            //设置收件人信箱,及显示名字
            MailAddress to = new MailAddress("这里是收件人的邮件地址", "caojy");
            创建一个MailMessage对象
            MailMessage oMail = new MailMessage(from, to);

            oMail.Subject = "Test";      //邮件标题      
            oMail.Body = "test";         //邮件内容

            oMail.IsBodyHtml = true;            //指定邮件格式,支持HTML格式       
            oMail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");//邮件采用的编码       
            oMail.Priority = MailPriority.High;//设置邮件的优先级为高

            //发送邮件服务器
            SmtpClient client = new SmtpClient();
            client.Host = "smtp.gmail.com";
            client.EnableSsl = true;
            client.Port = 587;
            client.Credentials = new NetworkCredential("发件人邮件地址", "登录密码");//指定服务器邮件,及密码
            //发送
            try
            {
                client.Send(oMail);  //发送邮件
            }
            catch (Exception ex)
            {
                //记录错误日志
            }
        }