[Minor] Remove redundent MIME from/recipients. Add from_ip.

lualib/lua_mime.lua

@@ -582,18 +582,14 @@ exports.message_to_ucl = function(task)
   result.digest = task:get_digest()
   result.newlines = task:get_newlines_type()
   result.headers = task:get_headers(true) or {}
-  
   -- Envelope (smtp) information form email
   local envelope = {}
-  -- Want to differentiate the Mime and SMTP from/recipients here
   envelope.from_smtp = task:get_from('smtp')
-  envelope.from_mime = task:get_from('mime')
   envelope.recipients_smtp = task:get_recipients('smtp')
-  envelope.recipients_mime = task:get_recipients('mime')
-  
   envelope.helo = task:get_helo()
   envelope.hostname = task:get_hostname()
   envelope.client_ip = task:get_client_ip()
+  envelope.from_ip = task:get_from_ip()
   result.envelope = envelope
 
   local parts = task:get_parts() or {}