Module Async_smtp_types__.Envelope_container
module type With_info = Async_smtp_types__.Envelope_container_intf.With_info with type envelope_info := Async_smtp_types__.Envelope_info.t
module Make_with_headers : functor (S : sig ... end) -> With_headers with type t := S.t
module Make_with_info : functor (S : sig ... end) -> With_info with type t := S.t