[Exim] Exempting some rogue users from the system filter

I have a few rogue users I need to exempt from the restrictions of the system filter -
so that they can send executable attachments. Yes, that is how painful it is sometimes
to deal with users who have their ears stuck up their &*%!!

Is this sufficient in a filter:

if $return_path is "rogue@domain"
  then
    seen finish
  endif

Or is it even possible to do a linear search on some file, even??

if $h_sender: contains "(rogue1|rogue2|wash)@"
then seen finish endif


This might make a very long list if the number of rogues go up. I'm
looking for an option to a linear search from a flat file but can't
see it now because these rogues are on my neck!



Thanks in advance.


-Wash

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