[Exim] from@yahoo's spam again

How to reject (or drop) mail, where $h_from matches 'yahoo\.co' and
message_id does not contain \.mail\.yahoo\.com ?
Thousands of spam e-mails with from@yahoo annoying our mail system.
Yeah, I know trap is here, but yahoo's mail can't be verified by callback
means %(

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VVS56-RIPE