Even though you quit Mail, moved the plist, restarted, and launched Mail, the plist won't recreate itself until you set a pref. (Without your having set any prefs there's no need for a p[reference]list. )
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire
)
