In the order they arrived, from the first email after signup.
How often, when and how Featurebase emails its subscribers, measured from every email we received.
Every email Featurebase sent in its first month, grouped by the day it arrived.
Every subject line and preview text, in the order they arrived.
We captured 2 emails from Featurebase after signing up: account verification and changelog emails.
All of its emails arrived on the day we signed up, it sends with SendGrid, its designs lean blue and purple and 50% of its emails use plain text.
Its subject lines run about 41 characters.