Index: branches/locker-dev/locker/bin/cronload
===================================================================
--- branches/locker-dev/locker/bin/cronload	(revision 1568)
+++ branches/locker-dev/locker/bin/cronload	(revision 1576)
@@ -32,2 +32,10 @@
 fi
 athrun scripts scripts-ssh "$lname" /usr/local/bin/cronload "$1" "$cwd" 2>/dev/null
+if ! grep -q "^MAILTO=" "$1"; then
+    echo "WARNING: You have no MAILTO= variable set. This means any"
+    echo "cron errors will go to $lname@scripts.mit.edu (your mail_scripts"
+    echo "account), which is almost certainly not what you want!"
+    echo "Please add a MAILTO= line, e.g., MAILTO=${EMAIL:-${ATHENA_USER:-$USER}@mit.edu},"
+    echo "to your crontab. If you do not want to receive errors, set"
+    echo 'MAILTO="".'
+fi