Exim filter

["Craig" <craigsc@db.mr.co.za>]

if ${message_size} > {5M}
then
  fail text "This message has been rejected because it is\n\
             \ttoo large. Please contact the system administrator\n\
             \tif you believe this is in error."
  seen finish
endif

Please tell me whats wrong with the above.

 

..Craig