> On Feb 25, 2019, at 2:46 PM, Matus UHLAR - fantomas <[email protected]> wrote:
>
> Milter is BQCF. It processes the mail during scanning, and afaik its
> functionality can replace both smtp_proxy and check_policy_service.
>
> And, you can do multiple milters.
> It just can't modify mail body, only headers, but you usually don't need
> this.
Milters can modify (replace) the message body. Milters operating
in front of a pre-queue proxy filter can only see and modify the
message envelope, and can neither see nor modify the message content
(headers or body).
--
Viktor.
