Sending An Email with Exchange Server with NTLM Security

I’m having trouble sending an email with ignition (using system.net.sendEmail()) using an Exchange server using NTLM security.
I’ve used a mail client to test that the Ignition server can see the smtp server and the mail client works when I set the security to NTLM on port 25.
Is there any way to tie the security in the sendEmail function to NTLM?

The email scripting functions only know how to speak SMTP, either with or without username+password credentials.