Toggle Address Box 1.1
by Dillinger
Adds a Address Box button, toggles the Address Box in the Composer window
About this Add-on
Temporarily hide the Address Box (From, To, Subject etc.) from the Composer window.
Comes in handy when you need more space while composing a message, on new messages the box is always visible.
Comes in handy when you need more space while composing a message, on new messages the box is always visible.