[Exim] Spam scanning one domain and not another

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Hi,


I am using exim 4.14 with spamassassin, i want to be able to spam scan
one domain and not another.

my spam router looks like this


spamcheck_router:
no_verify
check_local_user
condition = ${if eq {$received_protocol}{spam-scanned}{0}{1}}
driver = accept
transport = spamcheck


Any help would be great


Many Thanks


Jon.
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