Error Sending Mail Through Asp.net C#

Question

User1120627064 posted

 hi in my asp.net apllication(c#) am working with sending mail issue..
my following below code is
System.Web.Mail.MailMessage msg = new System.Web.Mail.MailMessage ();
msg.From =[e-mail];

msg.To = [e-mail]
msg.Subject = sub;

msg.Body = body;

System.Web.Mail.SmtpMail.SmtpServer = "mywebsite.com";

System.Web.Mail.SmtpMail.Send(msg);

am getting a error message like"Could not create an object of type 'CDO.Message'. Please verify that the current platform configuration supports SMTP mail."..

please suggest me the solution

Answer 1

User-419173150 posted

I believe SMTP Service is installed and running properly.

You may refer http://support.microsoft.com/kb/910360

Answer 2

User1120627064 posted

 Sir Hemantksh

Could u please tell me is tere any error in the above code

i read that article but now microsoft doen't support CDO  so what i can i do to send mails through my application... please suggest.

 

Answer 3

User142102346 posted
Please try this out...and let me know if u have any errors

string emailTo = "[e-mail]"; _emailFrom = Request.Form["tbEmail"]; _subject = Request.Form["tbSubject"]; _message = Request.Form["tbMessage"]; System.Net.Mail.MailMessage objEmail = new System.Net.Mail.MailMessage(_emailFrom, emailTo, _subject, _message); try{ System.Net.Mail.SmtpClient n = new SmtpClient("mail.sever.com"); n.Credentials = new NetworkCredential("[e-mail]","Password"); n.Send(objEmail); Response.Write("Your Email has been sent sucessfully - Thank You"); } catch (Exception exc){ Response.Write("Send failure: " + exc.ToString()); }

Answer 4

User1120627064 posted

 Sir i am not able to execute the code the error before running the code is

"The type or namespace name 'NetworkCredential' could not be found (are you missing a using directive or an assembly reference?)   "

Answer 5

User-419173150 posted

Try using System.Net.NetworkCredential

Answer 6

User1120627064 posted

 Now The Error Changes to

"A using namespace directive can only be applied to namespaces; 'System.Net.NetworkCredential' is a type not a namespace"
 

Answer 7

User1433122370 posted

hi Use this

 

  using System.Net;
using System.Net.Mail;
using System.Web.Mail;

 

  const string SERVER = "relay-hosting.secureserver.net";
                        System.Net.Mail.MailMessage objMail = new System.Net.Mail.MailMessage();
                        objMail.From = new MailAddress("[e-mail]");
                        objMail.To.Add(objRegUsers.EmailId);
                        objMail.IsBodyHtml = true;
                        objMail.Subject = "New Account Confirmation";
                        objMail.Priority = System.Net.Mail.MailPriority.High;
                        string l_body;
                        l_body = "<br/>" + "This";
                        objMail.Body = l_body;
                        SmtpClient Client = new SmtpClient(SERVER);
                  
                        Client.Send(objMail);

Answer 8

User1120627064 posted

 While using the above code

D error at Client.Send(objMail);

is

'Mailbox name not allowed. The server response was: sorry, relaying denied from your location [59.95.180.74] (#5.7.1)"

Answer 9

User142102346 posted

May you please send the code snippet that you are using?

Answer 10

User-1936035690 posted
Hi,
This error:

"'Mailbox name not allowed. The server response was: sorry, relaying denied from your location [59.95.180.74] (#5.7.1)" "

Actually tells us your code is working. That reply is coming back from the relay server. The mail server isn't allowing relaying from your IP of 59.95.180.74. Try specifing a username and password. If that doesn't work, you will need to get with your admin to get the correct information for programmatically sending emails.

Cheers!
Dave

Answer 11

User-1763611275 posted

Hi

for sending email

try this example

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Web.Mail;

public partial class SendEmail : System.Web.UI.Page
{
string strMailOrTel;

protected void Page_Load(object sender, EventArgs e)
{

}
private bool SendMail()
{
try
{
string strTo = "your email";
string strFrom = txtFrom.Text;
string strBody = txtMessage.Text ;
string strSubject = txtSubject.Text ;
SmtpMail.SmtpServer = ("your smtp");
SmtpMail.Send(strFrom, strTo, strSubject, strBody);

return true;
}
catch (Exception ex)
{
return false;
}
}

protected void btn_Send_Click(object sender, EventArgs e)
{
bool TrueOrFalse = SendMail();
if ((TrueOrFalse == true))
{
Response.Redirect("~/MailSent.aspx");
}
else
{
Label1.Text = "Try again";
}

}


}

or

check these links for sending mail

1. http://www.developer.com/net/asp/article.php/3096831

2.Using ASP.NET to Send E-Mail—Including Attachments - http://www.developer.com/net/asp/article.php/3287361

3.http://forums.asp.net/t/1269838.aspx

4.How to configure an Internet Information Services SMTP virtual server to archive or to remove messages in an Exchange Server 2003 test environment

http://support.microsoft.com/kb/837851

5.Sending HTML Mail with Embedded Image in .NET

http://aspalliance.com/1354_Sending_HTML_Mail_with _Embedded_Image_in_NET.all

6. http://forums.asp.net/t/971802.aspx

http://forums.asp.net/t/1256513.aspx

Good Luck

Answer 12

User1120627064 posted

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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.Net.Mail;

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
      Response.Write( SendMail("[e-mail]","[e-mail]","[e-mail]","Test Mail","Test Mail Body"));
    }

    public string SendMail(string toList, string from, string ccList, string subject, string body)
    {
        MailMessage message = new MailMessage();
        SmtpClient smtpClient = new SmtpClient();
        string msg = string.Empty;
        try
        {
            MailAddress fromAddress = new MailAddress(from);
            message.From = fromAddress;
            message.To.Add(toList);
            if (ccList != null && ccList != string.Empty)
                message.CC.Add(ccList);
            message.Subject = subject;
            message.IsBodyHtml = true;
            message.Body = body;
            smtpClient.Host = "mail.server.com";
            smtpClient.Port = 25;
            smtpClient.UseDefaultCredentials = true;
            smtpClient.Credentials = new System.Net.NetworkCredential("[e-mail]", "password");           

            smtpClient.Send(message);
            msg = "Successful";
        }
        catch (Exception ex)
        {
            msg = ex.Message;
        }
        return msg;
    }

}