val spec : unit ‑> (Async_smtp.Std.Smtp_spool.Recover_info.t ‑> 'a, 'a) Common.Command.Spec.t
val dispatch : Async_smtp.Std.Smtp_spool.Recover_info.t ‑> Async.Rpc.Connection.t ‑> unit Async.Deferred.t