diff --git a/src/chrome/content/rules/Centralfield.com.xml b/src/chrome/content/rules/Centralfield.com.xml
index cb4879064159..8d64ca6cf514 100644
--- a/src/chrome/content/rules/Centralfield.com.xml
+++ b/src/chrome/content/rules/Centralfield.com.xml
@@ -5,6 +5,9 @@
- mail.centralfield.com
- mbox.centralfield.com
- shop.centralfield.com
+
+ Different content:
+ - centralfield.com
-->
@@ -12,5 +15,8 @@
+
+
diff --git a/src/chrome/content/rules/alternacare.ca.xml b/src/chrome/content/rules/alternacare.ca.xml
new file mode 100644
index 000000000000..f2f005a60bd3
--- /dev/null
+++ b/src/chrome/content/rules/alternacare.ca.xml
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
+
diff --git a/src/chrome/content/rules/ifec.org.hk.xml b/src/chrome/content/rules/ifec.org.hk.xml
new file mode 100644
index 000000000000..e6a3885b0abb
--- /dev/null
+++ b/src/chrome/content/rules/ifec.org.hk.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+