diff -Nur comm-esr38.orig/mail/locales/en-US/chrome/messenger-region/region.properties comm-esr38/mail/locales/en-US/chrome/messenger-region/region.properties
--- comm-esr38.orig/mail/locales/en-US/chrome/messenger-region/region.properties	2015-07-07 14:34:06.000000000 -0300
+++ comm-esr38/mail/locales/en-US/chrome/messenger-region/region.properties	2015-08-16 13:30:55.466053010 -0300
@@ -3,12 +3,12 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 # Default search engine
-browser.search.defaultenginename=Bing
+browser.search.defaultenginename=searx
 
 # Search engine order (order displayed in the search bar dropdown)s
-browser.search.order.1=Bing
-browser.search.order.2=Yahoo
-browser.search.order.3=
+browser.search.order.1=searx
+browser.search.order.2=DuckDuckGo HTML
+browser.search.order.3=DuckDuckGo Lite
 
 # To make mapit buttons to disappear in the addressbook, specify empty string.  For example:
 # mail.addr_book.mapit_url.format=
@@ -19,8 +19,8 @@
 # @ST == state
 # @ZI == zip code
 # @CO == country
-mail.addr_book.mapit_url.format=http://maps.google.com/maps?q=@A1%20@A2%20@CI%20@ST%20@ZI%20@CO
-mailnews.messageid_browser.url=http://groups.google.com/search?as_umsgid=%mid
+mail.addr_book.mapit_url.format=
+mailnews.messageid_browser.url=
 
 # Recognize non-standard versions of "Re:" in subjects from localized versions of MS Outlook et al.
 # Specify a comma-separated list without spaces. For example: mailnews.localizedRe=AW,SV