Hi everyone
I have following error while sending mail.
System.Net.Mail.SmtpException: Syntax error, command unrecognized. The server response was: your host [117.198.80.98] is blacklisted by xbl.dnsbl. Send your questions to blacklist-admin@mail4.easycgi.com at System.Net.Mail.RecipientCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.RecipientCommand.Send(SmtpConnection conn, String to, String& response) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at search.ImageButton1_Click(Object sender, ImageClickEventArgs e)
can anyone help me how to remove this error?
Thanks in advance.
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| Author: shanmukha kumari 27 Jul 2008 | Member Level: Gold | Rating:  Points: 2 |
see the below link.
You will get some solution.
http://forums.msdn.microsoft.com/en-US/netfxnetcom/thread/3835dd18-878b-4b45-964b-a1ac89225b67/
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| Author: Gaddamchandrakanth 27 Jul 2008 | Member Level: Silver | Rating: Points: 6 |
Hi,
I think your SMTP Server may be problem.Checkout your SMTP Server Name. And i will give you some code just check out with this once.
And Configure the SMTP Server in Web.config File.
<appSettings>
<add key="SmtpServer" value="smtp..easycgi.com "/>
<add key="MailFrom" value="admin@mail4.easycgi.com "/>
</appSettings>
protected void ConfirmationEmailForUser()
{
string strName, strEmailIDFrom, strUserEmalID, strPassword,strFromName, toEmailAdd,StrAddress,strCompanyName,strCity, strCountry,strState;
SmtpClient smtpclient = new SmtpClient();
MailMessage message = new MailMessage();
try
{
string strSmtpServer = ConfigurationManager.AppSettings["SmtpServer"].ToString();
strEmailIDFrom = ConfigurationManager.AppSettings["MailFrom"].ToString();
strFromName = "Admin";
strName = txtFirstName.Text + ' ' + txtLastName.Text;
StrAddress = txtAddress1.Text;
if (txtAddress2.Text.Trim() != "")
{
StrAddress = StrAddress + ',' + txtAddress2.Text;
}
strCompanyName = ddlCompanyName.SelectedItem.Text;
strCity = txtCity.Text;
strState = txtState.Text;
strCountry = ddlCountry.SelectedItem.Text;
strUserEmalID = txtEmailID.Text;
strPassword = txtPassword.Text;
toEmailAdd = txtEmailID.Text;
MailAddress fromAddress = new MailAddress(strEmailIDFrom, strFromName);
message.From = fromAddress;
//message.To.Add(new MailAddress(toEmailAdd, strName));
message.To.Add(new MailAddress("admin@mail4.easycgi.com ", ""));
message.IsBodyHtml = true;
message.Subject = "Confirmation of Registration.";
string htmlBody = "<html><body>";
htmlBody = htmlBody + "<table width='500px'>";
htmlBody = htmlBody + "<tr>";
htmlBody = htmlBody + "<td>Thanks for registering on </td></tr>";
htmlBody = htmlBody + "<tr>";
htmlBody = htmlBody + "<td> Name: </td>" + "<td>" + strName + "</td> </tr>";
htmlBody = htmlBody + "<td> Address: </td>" + "<td>" + StrAddress + "</td> </tr>";
htmlBody = htmlBody + "<td> CompanyName: </td>" + "<td>" + strCompanyName + "</td> </tr>";
htmlBody = htmlBody + "<td> City: </td>" + "<td>" + strCity + "</td> </tr>";
htmlBody = htmlBody + "<td> State: </td>" + "<td>" + strState + "</td> </tr>";
htmlBody = htmlBody + "<td> Country: </td>" + "<td>" + strCountry + "</td> </tr>";
htmlBody = htmlBody + "<td> Email: </td>" + "<td>" + strUserEmalID + "</td></tr>";
htmlBody = htmlBody + "<td> Password: </td>" + "<td>" + strPassword + "</td></tr>";
htmlBody = htmlBody + "</table>";
htmlBody = htmlBody + "<br></body></html>";
message.Body = htmlBody;
smtpclient.Host = strSmtpServer;
smtpclient.Send(message);
Thanks and Regards
Chandrakanth
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