| I've seen exiscan variables mentioned (acl_m? etc) both in this list and in | the document http://duncanthrax.net/exiscan-acl/exiscan-acl-examples.txt,
| but I can't find any definitive documentation on what variables exist, how
| they should be set and how they persist (router, transport, filter etc)? | | Can anyone point me in the right direction, please?
These are Exim ACL variables - see section 38.9 of the Exim spec.