ask for help!注册时自动发邮件是怎么做得啊？谢谢大家

Question

自动注册模块：用户填报后自动注册，系统给予确认，要求通过邮件方式。请问这是如何实现得。我发现好多网站现在都用这个技术啊。大家提题思路，能给代码就更好啊。
万分感谢！

Answer 1

//SqlDataReader dbRead;
string password="";
string name="";
string email="";
string alertError;
name=this.TextBox1.Text.Trim();
if(name=="")
{

alertError="<script language=\"javascript\">alert(\"请输入用户名！\");</script>";
Response.Write(alertError);
return;
}
if(this.TextBox2.Text.Trim()=="")
{
alertError="<script language=\"javascript\">alert(\"请输入密码！\");</script>";
Response.Write(alertError);
return;
}
if(this.TextBox3.Text.Trim()=="")
{
alertError="<script language=\"javascript\">alert(\"请输入邮箱！\");</script>";
Response.Write(alertError);
return;
}
//connect data*/
string sqlInsert_logon="insert  login(name,password,email) values (@name,@password,@email) ";
this.sqlCommand_logon = new SqlCommand(sqlInsert_logon, this.sqlConnection_logon);
//this.sqlCommand_logon.CommandType = CommandType.StoredProcedure;
this.sqlCommand_logon.Parameters.Add("@name",this.TextBox1.Text.Trim());
this.sqlCommand_logon.Parameters.Add("@password",this.TextBox2.Text.Trim());
this.sqlCommand_logon.Parameters.Add("@email",this.TextBox3.Text.Trim());
this.sqlConnection_logon.Open();
//dbRead=this.sqlCommand_logon.ExecuteReader();
this.sqlCommand_logon.ExecuteNonQuery();
this.sqlConnection_logon.Close();
//SendMail MailMessage mail=new MailMessage();
mail.To="[email protected]";//receive
//mail.To="[email protected]"; mail.From="[email protected]";
mail.Subject="your password";
mail.Body="this is a test for mailsend";
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1"); //basic authentication
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", ""); //set your username here
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", ""); //set your password here //SmtpMail.SmtpServer="localhost";
SmtpMail.SmtpServer="smtp.163.com";//send;popo.163.com----receive
SmtpMail.Send(mail);
//提示框
string scriptString = "<script language=javascript>";        
scriptString += "alert('注册成功！请注意查收邮件')";                   
scriptString += "</script>";                                 
if(!this.IsStartupScriptRegistered("Startup"))               
this.RegisterStartupScript("Startup", scriptString);       
}

Answer 2

注册的时候利用JMAIL技术就可以实现