Bug 22781: Correctly filter the emails

Bug 22781: Correctly filter the emails

Ho, another bug!

The email was not correctly filtered.

Test plan:
Use the evil string for an email, do a search.
=> Notice that without this patch the results never show up

Signed-off-by: Liz Rea <wizzyrea@gmail.com>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 5410186f6829fc4b74a845e8954bd7eea3f19862)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>