As my alarm bells start ringing loudly when the topmost priority an auth provider got is not working + appearantly not monitored to fix within minutes I investigated a bit further (something I wish AppSump would be doing prior presenting anything here).

Context: I couldn't even signup (initial signup) since their confirmation mail(s) end up in SPAM. (there are no major issues as per e.g. mxtoolbox but all the minor issues are summing up leading to this result).

Thinking out loud (My first impression. No offense):
If so many little but well known and documented things related to ensure topmost delivery rates of mails are not setup correctly, does the maker really got a clue or do he/she focus on the right things?

Since Dell is listed as customer (unless its meant to be another of thse misleading logo rotations only saying that customers like these also use pw less auth but actually are no customers) I checked on DELLs third party and first party cookie list to see whether MoJo Auth is listed anywhere but couldnt find.

As much as I want to love this deal, the solution and the tech stack, at the moment I feel more like I do not want to rely on it.