You can ask your marketing team for help or for the specific sign in URL.
Remember that your username is your email address.
A couple things to also keep in mind, or other things to give a shot if you hit a wall.
*Clear your cache.
*Make sure to sign out of any other rezora accounts that may have been opened on that specific computer. Closing the browser without logging out can sometimes cause the issue you are seeing.
*If there are still issues, try a different web browser.
*Lastly, try typing in the URL manually, make sure to include http://