diff --git a/mtt.lua b/mtt.lua
index 61c51da..47f83c4 100644
--- a/mtt.lua
+++ b/mtt.lua
@@ -1,5 +1,13 @@
 
 mtt.register("send mail", function(callback)
+    local auth_handler = minetest.get_auth_handler()
+    if not auth_handler:get_auth("player1") then
+        auth_handler:create_auth("player1", "test")
+    end
+    if not auth_handler:get_auth("player2") then
+        auth_handler:create_auth("player2", "test")
+    end
+
     -- send a mail
     mail.send("player1", "player2", "something", "blah")
 
@@ -7,4 +15,4 @@ mtt.register("send mail", function(callback)
     local list2 = mail.getMessages("player2")
     assert(list2 ~= nil and #list2 > 0)
     callback()
-end)
\ No newline at end of file
+end)