Greetings, Patrick Proniewski!

> I'm using postfix for years with this setup :

> milter-greylist
> policyd-spf in check_policy_service
> amavisd-new as a before-queue content filter
> opendkim signature for outbound emails

> It's working really great.

> I would like to add opendmarc for DMARC checking of inbound emails but it
> looks like it's only available as a milter. Unfortunately, last time I'v
> checked, milter couldn't modify emails when used in a before-queue content
> filtering setup, and they only have access to the message envelop IIRC.

Milters don't have access to queue ID, before they run before queue.
But most certainly they can modify message. spamass-milter does that just fine
for me. So does OpenDKIM for message signing.

> Is there any way for me to implement a DMARC filter / policy service that
> would work in a BQCF setup like mine?
> Same question applies for DKIM validation.

TIAS.
It only takes few minutes to try.


-- 
With best regards,
Andrey Repin
Saturday, February 23, 2019 1:17:10

Sorry for my terrible english...

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