使用C#发送邮件

 /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="mailInfo"></param>
        public void SendMail(QueuedEmail mailInfo)
        {
            try
            {
                if (mailInfo == null)
                    return;              
                SmtpClient client = new SmtpClient(mailInfo.Server);
                client.UseDefaultCredentials = false;
              
                client.Credentials = new System.Net.NetworkCredential(mailInfo.From,mailInfo.FromName);
                client.DeliveryMethod = SmtpDeliveryMethod.Network;

                MailAddress addressFrom = new MailAddress(mailInfo.From, mailInfo.FromName);
                MailAddress addressTo = new MailAddress(mailInfo.To, mailInfo.ToName);

                MailMessage mail = new MailMessage(addressFrom, addressTo);
                mail.Subject = mailInfo.Subject;
                mail.Sender = new MailAddress(mailInfo.From);
                mail.Body = mailInfo.Body;
                mail.BodyEncoding = System.Text.Encoding.UTF8;
                mail.IsBodyHtml = true;               
                mail.Priority = MailPriority.Normal;
                mail.DeliveryNotificationOptions = DeliveryNotificationOptions.OnSuccess;
                client.Send(mail);
            }
            catch (Exception ex)
            { }
        }