gnus-cite-ignore-quoted-from

gnus-cite-ignore-quoted-from is a variable defined in `gnus-cite.el'.
Its value is

t

Documentation:
Non-nil means don't regard lines beginning with ">From " as cited text.
Those lines may have been quoted by MTAs in order not to mix up with
the envelope From line.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 22.1 of Emacs.