diff --git a/ansible/roles/postfix/templates/services/fredrick-reply.sh.j2 b/ansible/roles/postfix/templates/services/fredrick-reply.sh.j2
index 0bc0f333..b33c7c4a 100644
--- a/ansible/roles/postfix/templates/services/fredrick-reply.sh.j2
+++ b/ansible/roles/postfix/templates/services/fredrick-reply.sh.j2
@@ -88,5 +88,6 @@ cat > "$ATSCRIPT" <<EOF
 rm "$REPLY_PATH"
 EOF
 
-at -f "$ATSCRIPT" now + 10 min
+# Use the z queue for maximum niceness
+at -q z -f "$ATSCRIPT" now + 10 min
 rm "$ATSCRIPT"