diff --git a/src/simple_exim_test.sh b/src/simple_exim_test.sh
new file mode 100755
index 0000000..fdd2092
--- /dev/null
+++ b/src/simple_exim_test.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+LIB=`pwd`/libexim-encrypt-dlfunc.so
+CLEARTEXT="X-Originating-IP: [dead:beef:dead:beef:dead:beef:dead:beef]"
+PASSWORD="mucho secr3t passW0rd"
+
+CIPHERTEXT=$(exim -be "\${dlfunc{${LIB}}{sodium_crypto_secretbox_encrypt_password}{${PASSWORD}}{${CLEARTEXT}}}")
+DECRYPTED=$(exim -be "\${dlfunc{${LIB}}{sodium_crypto_secretbox_decrypt_password}{${PASSWORD}}{${CIPHERTEXT}}}")
+
+if [ "${CLEARTEXT}" == "${DECRYPTED}" ] ; then echo "Test successful"; fi