If hosts source their configuration themselves, they can do it on .config/imapdomo level.
@@ -1 +0,0 @@
-put host-specific configs here
@@ -1,4 +0,0 @@
-Keep here only files that are never to leave the particular
-machine ie. never to be backed up or synchronized.
-
-This folder should be auto-ignored by all such tools.