For some reason the email you get sent when you sign up for the early-access program also trips Thunderbird's scam warning feature (in addition to the form bein

For some reason the email you get sent when you sign up for the early-access program also trips Thunderbird's scam warning feature (in addition to the form being submitted over HTTP, despite the site being served over HTTPS). I wonder if that's because the message contains the string "Hi Friend"?