Booking.com – M4GAJN is your verification code
+1 near-identical email
In the order they arrived, from the first email after signup.
How often, when and how Booking 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 Booking after signing up, all account verification emails.
All of its emails arrived on the day we signed up, it sends with SendGrid, its designs lean blue and all of its emails use plain text.
Its subject lines run about 46 characters.