I just wanted to share my short cautionary tale about DO.I am running an application on managed Kubernetes. From a tech perspective, I was quite happy until this happened.I broke my production system by introducing a bug in the k8s infrastructure. So I went over to DO to login and fix it. 
It sends a 6 digit code to my email for me to enter in order to login. The only problem is, that the email never arrives in my Gmail inbox.I made double and triple sure it's not in spam, and checked that emails arrive normally in my inbox. But it's just not there. I guess there is a bug on DO's side. This is not their 2FA, but something they do when logging in from new browsers/locations, so no backup codes.So I open a ticket, as this is already quite urgent (production is down). But I get no answer. I waited a few hours and opened another ticket. With no success. 
By now it's be 24h, and I cannot get a hold of anybody at DO.I guess I got what I paid for. Digital Ocean is nice for playing around, but for serious projects one should look elsewhere.EDIT:
I found a blog post describing a similar problem. 
Looks like sometimes DO is just silently blacklisting emails.
