email2page(1p) on Linux
The text 3933fc4d7b62, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
converts RFC822 email text into text suitable for paging
Flags it lists
-
-C -
-h