Se agrega verificacion del tiempo de registro de mails

lib/api/emailsender/contexts/emailstosendcontext.ex

@@ -141,6 +141,8 @@ defmodule Api.EmailToSendContext do
   end
 
   def get_next_email() do
+      one_day_ago = NaiveDateTime.utc_now() |> NaiveDateTime.add(-86400, :second)
+
       from(
         e in Emailtosend,
         join: s in "study", on: s.idstudy == e.idstudy,
@@ -159,7 +161,8 @@ defmodule Api.EmailToSendContext do
                 e.hasreport == true and
                 e.sent != true and
                 e.retries < 10
-               ),
+               )
+              and e.registered >= ^one_day_ago,
         limit: 1,
         select: %{
 	         idemailtosend: e.idemailtosend,