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--- a/README.md
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@@ -1,2 +1,8 @@
 # roundcube-docker
 
+Created a new roundcube image from scratch which should be easier to maintain and includes the ispconfig plugins.
+
+References:
+
+- https://github.com/w2c/ispconfig3_roundcube
+- https://github.com/roundcube/roundcubemail-docker
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