diff --git a/whitelist.txt b/whitelist.txt
new file mode 100644
index 0000000..1cf1c41
--- /dev/null
+++ b/whitelist.txt
@@ -0,0 +1,19 @@
+# Microsoft services
+outlook.office365.com
+products.office.com
+c.s-microsoft.com
+i.s-microsoft.com
+
+# Google services
+accounts.google.com
+clients2.google.com
+clients4.google.com
+
+# Apple services
+appleid.apple.com
+token.safebrowsing.apple
+
+# Other services
+gravatar.com
+s.shopify.com
+api.github.com
\ No newline at end of file