MVC5發送郵件註冊

#region 發送郵件
                    //填寫電子郵件地址，和顯示名稱
                    System.Net.Mail.MailAddress from = new System.Net.Mail.MailAddress("[email protected]", "wode");
                    //填寫郵件的收件人地址和名稱
                    System.Net.Mail.MailAddress to = new System.Net.Mail.MailAddress("[email protected]", "nide");
                    //設置好發送地址，和接收地址，接收地址可以是多個

                    System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();
                    mail.From = from;
                    mail.To.Add(to);
                    mail.Subject = "主題內容";

                    System.Text.StringBuilder strBody = new System.Text.StringBuilder();
                    strBody.Append("請通過單擊 <a href=\"" + callbackUrl + "\">這裏</a>來確認你的帳戶");

                    mail.Body = strBody.ToString();
                    mail.IsBodyHtml = true;//設置顯示htmls
                    //設置好發送郵件服務地址
                    System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient();
                    client.Host = "smtp.126.com"; //這裡發郵件用的是126，所以為"smtp.126.com"

                    //填寫伺服器地址相關的用戶名和密碼信息
                    client.Credentials = new System.Net.NetworkCredential("[email protected]", "這個需要到126郵箱里開啟smtp，然後輸入設置的密碼");
                    //發送郵件
                    client.Send(mail); 
                    #endregion