New provider requirements for deliverability

The new google etc. requirements that impact deliverability are coming

The guidance that google provides must be satisfied by February of 2024.

There are a number of things on this that we do, and I think at least one thing that we do not do (one-click unsubscribe), but I am not the best at evaluating if we are going to be ok here.

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information