Yettwasezmel 3 ɣef 5 n yetran

sɛur MBusa di Jan. 26, 2010 · aseɣwen yezgan

Try the SmartTemplate extension. It has much of the same functionality and is customizable. It allows for customization of the Reply and Forward headers.
https://addons.mozilla.org/en-US/thunderbird/addon/14662