Archief - Q: Hoe Mails verstuurd via CDOSYS bij telenet niet als spam te late markeren

MailMessage msg = new MailMessage( from, txtEmail.Text );
        msg.Subject = subject;
        msg.BodyEncoding = System.Text.Encoding.UTF8;
        msg.Bcc.Add( from ); //BCC
        msg.IsBodyHtml = false;
        msg.Body = sb.ToString();

        //send
        SmtpClient smtpClient = new SmtpClient( smtp );

        //authenticate
        smtpClient.Credentials = new NetworkCredential( "<username>/in.telenet.be", "<password>" );

        //smtpClient.Credentials = CredentialCache.DefaultNetworkCredentials;
        smtpClient.Send( msg );

public SendEmail( string SmtpServer, string Sender, string Recipient, string Subject, string Data )
{
             try
	{
		MailMessage email = new MailMessage();
		email.From = Sender;
		email.To = Recipient;
		email.Body = Data;
		email.BodyFormat = MailFormat.Text;
		email.BodyEncoding = System.Text.Encoding.ASCII;
		email.Subject = Subject;

		//authentication 
		email.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserver", "uit.telenet.be"); 
		email.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", 2); 
		email.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusing", 2); 
		email.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserverport", 25); 
		email.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", "<username>/in.telenet.be"); 
		email.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", "<password>"); 
						
		SmtpMail.SmtpServer = SmtpServer;
		SmtpMail.Send( email );				
	}
	catch(Exception ex)
	{
		Console.WriteLine(ex.Message);
	}
}