fix for "skipusers" hard coding
diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index 7533d19..c66909f 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -60,7 +60,7 @@
             <email
                 mailhost="localhost"
                 returnaddress="${env.BUILD_BUILDMASTER_EMAIL}"
-                skipusers="false"
+                skipusers="${env.SKIPUSERS}"
                 subjectprefix="[${project.name}]"
                 spamwhilebroken="false"
                 buildresultsurl="${env.BUILD_RESULT_URL}/${project.name}">