How can I streamline the customer account activation process?

Shopify, where are you??? Let me further complicate this: I am a Shopify Partner. I have 2 primary clients right now. One account sends the customer activation email correctly while the second one sends no account activation email…only sends the welcome email. I cannot see any difference in the accounts as to why one does and the second one does not.

There are so many posts and comments out there on this subject with no resolution. Shopify where are you???

G