PSA: with Mailchimp URLs, it's best to remove the `?e=xxx` URL parameter. That way, A) you can't be identified by the sender as the person who shared the email, and B) other people can't flood your inbox by clicking the "unsubscribe" link at the bottom of the email.
In this case, the cleaned URL that should have been posted is https://mailchi.mp/ubnt/account-notification