1 files changed, 14 insertions, 0 deletions
diff --git a/pigeonhole/tests/compile/warnings/invalid-headers.sieve b/pigeonhole/tests/compile/warnings/invalid-headers.sieve
new file mode 100644
index 0000000..a6b12a8
--- /dev/null
+++ b/pigeonhole/tests/compile/warnings/invalid-headers.sieve
@@ -0,0 +1,14 @@
+# Header test
+if header "from:" "frop@example.org" {
+	stop;
+}
+
+# Address test
+if address "from:" "frop@example.org" {
+	stop;
+}
+
+# Exists test
+if exists "from:" {
+	stop;
+}