If they're hitting the outbound SMTP servers, there's no way (at least that I know of) to protect the IP/servers via obfuscation with a service like Cloudflare etc. Email deliverability relies heavily on the source IP of the sending SMTP for reputation and is going to be viewable in the headers of an email. Also changing IPs isn't a small task unless you're sitting on a load of good reputation IPs that are... - Source: Hacker News / over 2 years ago

Not affiliated, engineers I work with deploy here: https://zap.works/ for webAR. You scan a QR code and animation plays - say on pointing your phone camera at a poster on the wall. Source: over 1 year ago

I've created a few branded AR experiences for clients and I've mostly used a dedicated app like ZappWorks. Source: over 2 years ago

If you are looking for something more accessible, I haven't tested it yet, but zap.works offers this: Https://www.zappar.com/zapbox/. Source: over 2 years ago

Amidst the COVID-19 pandemic, ZapWorks launched the AR-based educational app aimed to instruct users on how to wear surgical masks properly. Technically, this app is also based on a 3D facial landmark detection method. Like the glasses try-on app, this method allows receiving information about facial features and further mask rendering. - Source: dev.to / over 3 years ago