In the order they arrived, from the first email after signup.
How often, when and how yEd emails its subscribers, measured from every email we received.
Every email yEd 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 yEd after signing up: account verification and account notification emails.
All of its emails arrived on the day we signed up and 50% of its emails use plain text.
Its subject lines run about 40 characters.