发送电子邮件

　　  //发送电子邮件

　　　// <param name="smtpserver">SMTP服务器</param>
        // <param name="enablessl">是否启用SSL加密</param>
        // <param name="userName">登录帐号</param>
        // <param name="pwd">登录密码</param>
        // <param name="nickName">发件人昵称</param>
        // <param name="strfrom">发件人</param>
        // <param name="strto">收件人</param>
        // <param name="subj">主题</param>
        // <param name="bodys">内容</param>

public static void sendMail(string smtpserver, int enablessl, string userName, string pwd, string nickName, string strfrom, string strto, string subj, string bodys)
        {
            SmtpClient _smtpClient = new SmtpClient();
            _smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;//指定电子邮件发送方式
            _smtpClient.Host = smtpserver;//指定SMTP服务器
            _smtpClient.Credentials = new System.Net.NetworkCredential(userName, pwd);//用户名和密码
            if (enablessl == 1)
            {
                _smtpClient.EnableSsl = true;
            }

            MailAddress _from = new MailAddress(strfrom, nickName);
            MailAddress _to = new MailAddress(strto);
            MailMessage _mailMessage = new MailMessage(_from, _to);
            _mailMessage.Subject = subj;//主题
            _mailMessage.Body = bodys;//内容
            _mailMessage.BodyEncoding = System.Text.Encoding.Default;//正文编码
            _mailMessage.IsBodyHtml = true;//设置为HTML格式
            _mailMessage.Priority = MailPriority.Normal;//优先级
            _smtpClient.Send(_mailMessage);
        }

　　//发送QQ邮件例子

　　public static void SendEmail(string EmailTo, string EmailMessage)
        {
            MailMessage message = new MailMessage();
            message.From = new MailAddress("xxx@qq.com", "Michael");
            message.To.Add(EmailTo);
            message.Subject = "个人主页验证码";
            message.Body = "验证码：" + EmailMessage + ",访问用户，您正在登录xxx的个人主页[验证码告知他人将导致账号被盗，请勿泄露]【Michael's Blog】";
            message.IsBodyHtml = true;
            SmtpClient client = new SmtpClient("smtp.qq.com", 587);
            client.EnableSsl = true;
            client.Credentials = new NetworkCredential("xxx@qq.com", "xxx");//QQ邮箱发件人需开通QQ邮箱smtp服务,此处填写的账号为QQ邮箱账号，密码为SMTP服务授权码
            client.Send(message);
        }