Invite to user is not being recieved

I have add a user to the company via the RMS portal and the invitation is not being sent to the email address provided. There is no record of attempt to deliver an email to our Exchange Servers from rms@teltonika-networks.com

Hello,

I have sent you a form to fill out. Once completed, I will contact you privately regarding this issue. For the ticket ID, please use “15058”.

Best regards,

Thank you. I responded to the form