This domain belongs to SMARTFENSE, an online platform of training and awareness in information security.
We use this domain in our pieces of training, which contain simulations of social engineering attacks that happen in the real life.
This message is to let you know we are legitimate people, and the email that directed you here was probably part of a training program sent by your organization and is harmless.
If you have any questions, you can contact the IT department. If they cannot resolve your doubts, you can contact us through firstname.lastname@example.org.