Due to strict DMARC / DKIM / SPF rules, Groups.Io sometimes rewrite
the author email. See for example commit df851da3ceff5b6bcf5e12616.
Add a check to detect these rewrites with PatchCheck.py.
Signed-off-by: Philippe Mathieu-Daude <philmd@redhat.com>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>