sc-nuke-mail-headers

sc-nuke-mail-headers is a variable defined in `supercite.el'.
Its value is

all

Documentation:
Controls mail header nuking.
Used in conjunction with `sc-nuke-mail-header-list'. Valid values are:

`all' -- nuke all mail headers
`none' -- don't nuke any mail headers
`specified' -- nuke headers specified in `sc-nuke-mail-header-list'
`keep' -- keep headers specified in `sc-nuke-mail-header-list'

You can customize this variable.