How to block mail with invalid dkim in exim?

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icetinte2015-07-23 12:37:57

Exim

icetinte, 2015-07-23 12:37:57

How to block mail with invalid dkim in exim?

Often in the logs I see letters with a crooked signature. Mostly spam.
DKIM: d=wexertellersfd.ru s=wexertellersfd53728462 c=relaxed/relaxed a=rsa-sha256 t=1437447565 [invalid - public key record (currently?) unavailable]
DKIM: d=opari.ru s=key2 c=simple/simple
a =rsa-sha256 [verification failed - body hash mismatch (body probably modified in transit)]

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