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Below is some ASP.NET C# code you can use to control your mailing lists.




using System.Net.Mail;

/// <summary>
/// Sends mail to specified list
/// </summary>
/// <param name="emailAddress"></param>
private bool SendToServergridLists(string mailToAddress, string mailFromAddress)
{
    // Sending to the lists is easy.
    // If you are having people subscribe/unsubscribe via
    // web forms, make sure that you have the
    // subscribe witout confirmation and unsubscribe without confirmation
    // boxes checked in the properties of your mailing list
    // in H-SPHERE. Also, you will probably want to enable sending
    // from the mailing list address.
    //
    // this example can be used in any case, to subscribe, unsubscribe,
    // or send to the list



    // set mail server
    SmtpClient cli = new SmtpClient("localhost");        // define the mail server
                                                        // if you are on Servergrid
                                                        // use localhost

    MailMessage myMessage= new MailMessage();            // Create a new Mail Message object
    myMessage.IsBodyHtml = false;                        // This isn't necessary

    try
    {
        // set the message properties

        // the TO will change depending on your intention
        // to subscribe, you want your TO address to be myList-subscribe@whateveryourdomainis.xx
        // your FROM should be the address you want added to the list
        // to unsubscribe, you want your TO address to be myList-unsubscribe@whateveryourdomainis.xx
        // your FROM should be the address you want removed from the list
        // to send an email to the people on the list you want your TO and FROM to be myList@whateveryourdomainis.xx

        myMessage.To.Add(new MailAddress(mailToAddress));    
        myMessage.From = new MailAddress(mailFromAddress);            
        myMessage.Body = string.Format("This is the message body");
        myMessage.Subject = "This is the message subject";

        // These next lines are essential to sending a message TO your list from a page

        // add a header describing the sending agent
        myMessage.Headers.Add("User-Agent", "ASP.NET");                                

        // define the sender, this is different than "From"
        myMessage.Sender = new MailAddress(mailFromAddress);

        // set the encoding for the message
        myMessage.BodyEncoding = System.Text.Encoding.ASCII;
        myMessage.SubjectEncoding = System.Text.Encoding.ASCII;

        cli.Send(myMessage);
    }
    catch (SmtpException stmpExp)
    {
        throw new Exception("Mail send failed due to smtp error: " + stmpExp.Message);
    }
    catch (Exception exp)
    {
        throw new Exception("Send failed : " + exp.Message);
    }

    myMessage.Dispose();

    return true;
}

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Michael R. Czarnecki
Senior Web Developer
http://www.servergrid.com
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