Im gonna set up a mail forwarding service for some users.
But to prevent policy violations and SPF/DKIM identity aligment errors, I
want to do the following:
Replace MAIL FROM with the specified RCPT TO.
For example:
MAIL FROM: user@??? <
mailto:user@gmail.com>
RCPT TO: user@??? <
mailto:user@example.org>
That has a forward set up for user@??? <
mailto:user@example.org>
--> user@??? <
mailto:user@hotmail.com>
Should be forwarded as:
MAIL FROM: user@??? <
mailto:user@example.org>
RCPT TO: user@??? <
mailto:user@hotmail.com>
For the body, I want to encapsulate the whole email (the whole
message/rfc822 object) inside a new message/rfc822 container, such as:
If a mail comes like this:
From: user@??? <
mailto:user@gmail.com>
To: user@??? <
mailto:user@example.org>
Subject: Hi
Content-Type: text/plain
Hi you there
I want to encapsulate it as:
--------------------------------------------------
From: user@??? <
mailto:user@example.org>
To: user@??? <
mailto:user@hotmail.com>
Subject: FWD: Hi
Content-Type: message/rfc822
From: user@??? <
mailto:user@gmail.com>
To: user@??? <
mailto:user@example.org>
Subject: Hi
Content-Type: text/plain
Hi you there
--------------------------------------------------
Any ideas to accomplish both of these in Exim4?
Best regard, Sebastian Nielsen
