I am a fan of self-hosting, right up until the point it crashes on you and you have to spend a weekend fixing it. You are right, email is one of the biggest headaches out there.

Good idea. Deleting this for later...

Yes, I hope they launch in the UK so I can start beating the drum for Australia.

I love it when a CEO participates in online discussions as it is the sign a company that cares. Just one thing about your post... It sounds really defensive. Maybe just me, but all the good will of participating in the conversation was lost. Maybe a "Hi, I'm CEO and love getting feedback. What's wrong with our USPS Calculator?". :)

FWIW, I didn't get any sense of defensiveness from the question - just a direct, succinct, and honest question.

Yes, I acknowledge it could be a cultural thing or just me that saw it that way.

Hehe, well I'm German. Terseness is somehow build in my firmware. Fair feedback though. Thank you!