diff --git a/OpenDKIM/TrustedHosts b/OpenDKIM/TrustedHosts
index e79d18b..9fe0635 100644
--- a/OpenDKIM/TrustedHosts
+++ b/OpenDKIM/TrustedHosts
@@ -4,4 +4,4 @@ localhost
 63.141.252.133
 staff.libraryofcode.org
 libraryofcode.org
-*.libraryofcode.org
+.libraryofcode.org