In the order they arrived, from the first email after signup.
How often, when and how WonderPush emails its subscribers, measured from every email we received.
Every subject line and preview text, in the order they arrived.
We captured 2 emails from WonderPush after signing up: account verification and welcome emails.
It sends with mostly SendGrid, and also Intercom, its designs lean black & white and blue and all of its emails use plain text.
Its subject lines run about 32 characters.