I found the same thing with emails sent from an airline. It was frustrating because I did actually want to follow the links in the emails as they were to do with a flight I was taking.
The included dashboard with the pi-hole is incredibly easy to use, so I just have it bookmarked on all our browsers in case someone in my family needs to pause it or whitelist/blacklist a site. We barely ever have to touch it though, mostly just to update the blocklists occasionally.