.net邮件发送[c#]

           using System.Web.Util;　　　　　　　using System.Net.Mail;
　　　　　　　MailMessage mailMessage = new MailMessage();
            mailMessage.To.Add(目标邮箱);
            mailMessage.From = new System.Net.Mail.MailAddress(发送邮箱);
            mailMessage.Subject = 邮件主题;
            mailMessage.Body = 邮件内容;
            mailMessage.IsBodyHtml = true;
            mailMessage.BodyEncoding = System.Text.Encoding.UTF8;
            mailMessage.Priority = System.Net.Mail.MailPriority.Normal;

            SmtpClient() smtpClient = new SmtpClient();
            smtpClient.Credentials = new System.Net.NetworkCredential("发送邮箱", "发送邮箱密码");
            smtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
            smtpClient.Host = "邮件服务器";
            smtpClient.Send(mailMessage);