高分求jamil邮件发送问题！着急！！
private   void   Button1_Click(object   sender,   System.EventArgs   e)
{
        myJmail.MessageClass   jmail=new   myJmail.MessageClass();
                        jmail.Silent   =true;
jmail.Logging=true;
jmail.MailServerPassWord   = "19830811 ";
jmail.MailServerUserName   = "suhuiyong_2000@sina.com ";
jmail.Charset= "GB2312 ";
jmail.Priority   =Convert.ToByte(1);
jmail.ContentType= "text/html ";
jmail.AddRecipient( "suhuiyong_2000@sina.com ", " ", " ");
jmail.From   = "suhuiyong_2000@sina.com ";
jmail.FromName   = "suhuiyong_2000@sina.com ";
jmail.Body   = "asdfdsf ";
jmail.Subject   = "asdfdsf ";
if(jmail.Send( "smtp.sina.com ",false))
                                Label1.Text   = "邮件发送成功！ ";
else
Label1.Text   = "发送失败！ ";
jmail.Close();
}
public   bool   sendMail()
{
MessageClass   email   =   new   MessageClass();
email.Logging   =   true;
email.Silent   =   true;
email.MailServerUserName   =   "suhuiyong_2000@sina.com ";
email.MailServerPassWord   =   "19830811 ";
email.From   =   "suhuiyong_2000@sina.com ";
               
email.Subject   =   "jmail ";
// email.AddAttachment( "c:\\test.xml ",true, " ");
 
email.Body   =   "test   jmail   send   mail ";
               
email.AddRecipient( "suhuiyong_2000@sina.com ",   "abc ",   null);
return   email.Send( "mail.sina.com ",   false)   ;
}

}
代码写好了，就是发不成邮件，大侠给看看啊！要不就疯了，

------解决方案--------------------
CS文件

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Web.Util;
using jmail;

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void btnSend_Click(object sender, EventArgs e)
{
sendEmail(txtSender.Text.Trim(), txtSUser.Text.Trim(), txtEUser.Text.Trim(), txtEPwd.Text.Trim(), txtReceiver.Text.Trim(), txtSubject.Text.Trim(), txtContent.Text.Trim(), txtEServer.Text.Trim());
}
public void sendEmail(string sender, string senderuser, string euser, string epwd, string receiver, string subject, string body, string eserver)
{
jmail.MessageClass jmMessage = new jmail.MessageClass();
jmMessage.Charset = "GB2312 ";
jmMessage.ISOEncodeHeaders = false;
jmMessage.From = sender;
jmMessage.FromName = senderuser;
jmMessage.Subject = subject;
jmMessage.MailServerUserName = euser;