diff --git a/docker/ews/dist/ca.pem b/docker/ews/dist/ca.pem
new file mode 100644
index 00000000..ae822f5f
--- /dev/null
+++ b/docker/ews/dist/ca.pem
@@ -0,0 +1,70 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----