module Netpop: sig .. end
 This is an interface for the Post Office Protocol - Version 3
 (POP3) as specifed by RFC 1939. The protocol is intended to permit
 a workstation to dynamically access a maildrop on a server host in
 a useful fashion.
type [ `Authorization | `Transaction | `Update ] 
exception Protocol_error
exception Err_status of string
exception Bad_state
val tcp_port : int
Default TCP port for POP version 3
class client : Netchannels.in_obj_channel -> Netchannels.out_obj_channel -> object .. end
The class client implements the POP3 protocol.