fix some issues

storage.lua

@@ -119,7 +119,7 @@ end
 -- get all contacts
 function mail.get_contacts(playername)
 	local entry = mail.get_storage_entry(playername)
-	return entry.contact
+	return entry.contacts
 end
 
 -- returns the maillists of a player

storage.spec.lua

@@ -18,6 +18,12 @@ mtt.register("storage", function(callback)
     assert(contacts[1].note == contact.note)
     assert(contacts[1].name == contact.name)
 
+    -- read through api
+    local contacts2 = mail.get_contacts(playername)
+    assert(#contacts2 == 1)
+    assert(contacts2[1].note == contact.note)
+    assert(contacts2[1].name == contact.name)
+
     -- update
     mail.update_contact(playername, {
         name = contact.name,

ui/compose.lua

@@ -32,7 +32,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 
 	local name = player:get_player_name()
     if fields.send then
-        local err = mail.send({
+        local success, err = mail.send({
             from = name,
             to = fields.to,
             cc = fields.cc,
@@ -40,7 +40,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
             subject = fields.subject,
             body = fields.body,
         })
-        if err then
+        if not success then
             minetest.chat_send_player(name, err)
             return
         end