AX 2009 attacments inside Lotus Notes richtext

Try this job as a test with your file...

static void TestEmails(Args _args)
{
    System.Net.Mail.MailMessage             mailMessage;
    System.Net.Mail.Attachment              attachment;
    System.Net.Mail.AttachmentCollection    attachementCollection;
    System.Net.Mail.SmtpClient              smtpClient;
    System.Net.Mail.MailAddress             emailfrom;
    System.Net.Mail.MailAddress             emailto;
    str                                     messageBody;
    str                                     Subject;
    str                                     SMTPServer;
    str                                     Filenm;
    FileIOPermission                        permission1;

    str fileToSend;
    ;

    fileToSend = "P:\\Tests\\TestFile.pdf";

    emailfrom = new System.Net.Mail.MailAddress("From@address.com","");
    emailTo = new System.Net.Mail.MailAddress("To@address.com","");

    messageBody = "Test Body";
    Subject = "Test Subject";
    SMTPServer = SysEmailParameters::find(false).SMTPRelayServerName;

    mailMessage = new System.Net.Mail.MailMessage(emailfrom, emailTo);

    mailmessage.set_Subject(Subject);
    mailmessage.set_Body(messageBody);

    attachementCollection = mailMessage.get_Attachments();
    Filenm = fileToSend;
    permission1= new FileIOPermission(Filenm,'w');
    permission1.assert();

    attachment = new System.Net.Mail.Attachment(Filenm);
    attachementCollection.Add(attachment);

    smtpClient = new System.Net.Mail.SmtpClient(SMTPServer);
    smtpClient.Send(mailmessage);

    CodeAccessPermission::revertAssert();
}

There is no way standard AX will do that for you.

You may be able to code it, but it looks tricky.