diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..7c30056
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1 @@
+* Zhang Huangbin <zhb@iredmail.org>
diff --git a/EULA b/EULA
new file mode 100644
index 0000000..e848659
--- /dev/null
+++ b/EULA
@@ -0,0 +1,16 @@
+* What's included within iRedAdmin-Pro license
+
+    - Free upgrade with valid license.
+
+* Restrictions
+
+    - One license per server. Customer must purchase license for each server.
+
+    - Customer has to renew the license of iRedAdmin-Pro to continue using
+      iRedAdmin-Pro before license expired.
+
+    - After license expired, customer has to purchase a new license to continue
+      using iRedAdmin-Pro.
+
+    - NOT allowed to redistribute and/or resell original iRedAdmin-Pro source
+      code and the copy you modified based on iRedAdmin-Pro.