Is it possible to check the content of attached text files, Postfix?

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imambek2020-04-13 13:14:49

Mail server

imambek, 2020-04-13 13:14:49

Is it possible to check the contents of attached text files sent on the Postfix mail server?
It is necessary to block the sending of letters, in the attached files of which there will be certain phrases.

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CityCat4, 2020-04-13
@CityCat4

usually this is done through libmilter
, I don’t know if there are ready-made solutions, but you can still see how clamav does it