[louwhopley]

Good questions.

Firstly, this is specifically designed for business users (founders, ceo's) that are already using Google Workspace for email. Using SpamAssassin (afaik) is not possible in that environment.

On the "AI" topic, it's not used because AI is a cool thing. It's used because of the wide permutations these cold emails come in. Lead gen people, SDR folks, and tools like Apollo makes it trivial for outbound sales peeps to send bulk personalised mails. The emails that Unspam focus on are the ones that already make it through Google's "black box" spam filter (and boy, does Google filter out a lot of spam already! like 99% of all mail that hit my inbox).

I can't compare against SpamAssassin, but from using Unspam for the last 8 months, I received 11,951 emails of which 663 we're caught as spam (after Google's spam filter let them through).

Anyhow, the primary goal of this is to make it super easy for busy people like founders and CEOs (who are often non-technical) to simply enable the filter on their inbox and continue with work. :)