In the order they arrived, from the first email after signup.
How often, when and how Higgsfield emails its subscribers, measured from every email we received.
Every subject line and preview text, in the order they arrived.
We captured 4 emails from Higgsfield after signing up: security alert, account verification and password reset emails.
It sends with SendGrid, its designs lean black & white and green and 50% of its emails use plain text.
Its subject lines run about 39 characters.