val status : unit ‑> ('a * Async_smtp__.Spool.t * 'b) Async_rpc_kernel__Rpc.Implementation.tval freeze : unit ‑> ('a * Async_smtp__.Spool.t * 'b) Async_rpc_kernel__Rpc.Implementation.tval send : unit ‑> ('a * Async_smtp__.Spool.t * 'b) Async_rpc_kernel__Rpc.Implementation.tval remove : unit ‑> ('a * Async_smtp__.Spool.t * 'b) Async_rpc_kernel__Rpc.Implementation.tval recover : unit ‑> ('a * Async_smtp__.Spool.t * 'b) Async_rpc_kernel__Rpc.Implementation.tval events : unit ‑> ('a * Async_smtp__.Spool.t * 'b) Async_rpc_kernel__Rpc.Implementation.t