feh... no idea why that didn't work the way I wanted.

src/scripts/eressea-multis.lua

@@ -1,10 +1,13 @@
-function kill_multis()
+local function kill_multis()
   local multis = [ "ogq", "idan", "e8L1" ]
   for key in multis do
     local f = get_faction(atoi36(multis[key]))
     if f~=nil then
       f.email="doppelspieler@eressea.de"
       f.password=""
+      print "Marking " .. f .. " as a multi-player."
     end
   end
 end
+
+kill_multis()

src/scripts/eressea.lua

@@ -62,7 +62,6 @@ function process(orders)
 
   -- kill multi-players (external script)
   loadscript("eressea-multis.lua")
-  kill_multis()
 
   -- run the turn:
   if read_orders(orders) ~= 0 then