This is what I've been working on:
Daily riddles by email for you (and anyone else, later)!
You've always said you never get any interesting email...
now you'll get a brainteaser every day, with three chances to answer, by replying to the email!
Sorry it's not quite done yet!
I thought it would take me three hours...
turns out it's more like six days :-)
This domain is used for a legitimate, opt-in interactive email-based game under development. Emails will only be sent in response to user-initiated contact or participation. We are committed to compliance with AWS's policies and best practices regarding email usage.
Operated by Matt Saunders of Tidzo Limited.