From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
The NI SMTP tools don't support SMTP authentication.
If you just need plaintext SMTP authentication, you could try the SMTP VIs of the openg toolkit instead: http://openg.org/tiki/tiki-index.php?page=OpenG%20Internet%20Connectivity%20Tools Good luck!