(* Request all current SMTP log lines about a domain *)
| MsgSmtpLogRes of string
(* One line of a response to MsgSmtpLogReq *)
+ | MsgDbPasswd of {dbtype : string, passwd : string}
+ (* Change a DBMS user's password *)
+ | MsgShutdown
+ (* Halt the server *)
+ | MsgYes
+ | MsgNo
+ (* Answers to boolean queries *)
+ | MsgApt of string
+ (* Is this apt package installed on your host? *)
end