Author: Oliver Egginger Date: To: Michael Boelen CC: exim-users Subject: Re: [exim] Adding headers for mail tap
> How do I "catch" the MAIL FROM/RCPT TO-commands, add > them to the headers AND beside the "static" ones (X-SMTP-src-IPv4,
> X-SMTP-dst-IPv4, X-SMTP-end)? Is it possible directly from without Exim or
> do I have to work with outside help (script)?
For example you could put this in the rcpt-acl:
warn message = X-SMTP-RCPT-TO: $local_part$domain
> This splitting is not the problem, by using 2 different routers
It matters. But nevertheless it's possible. Maybe you can use headers_remove in
one router
- oliver
Michael Boelen schrieb: > Dear list,
>
> I'm working on a small `project` where the addition of headers is involved
> (requested for future mail tapping).
>
> Because "tapping" of mail needs to be possible, incoming mail should be
> splitted into 2 different "messages":
> - original message, which should be delivered to the maildir-box
> - copy of original with extra headers
>
> This splitting is not the problem, by using 2 different routers (+unseen
> keyword). This allows me also to put "headers_add" to the responsable
> transports. However, I need to add the "MAIL FROM" command and the "RCPT TO"
> commands (from the mail conversation) to the headers. If there are more
> "RCPT TO" commands given, they should be all added on a seperate line to the
> headers.
>
> Example:
> X-SMTP-src-IPv4:1.2.3.4
> X-SMTP-dst-IPv4:5.6.7.8
> X-SMTP-MAIL-FROM:from.myself@???
> X-SMTP-RCPT-TO:foo@???
> X-SMTP-RCPT-TO:foo2@???
> X-SMTP-end:
> <normal headers + body + mime>
> (last header is meant to mark the end of the headers)
>
> Back to my question: how do I "catch" the MAIL FROM/RCPT TO-commands, add
> them to the headers AND beside the "static" ones (X-SMTP-src-IPv4,
> X-SMTP-dst-IPv4, X-SMTP-end)? Is it possible directly from without Exim or
> do I have to work with outside help (script)?
>
> I'm pretty experienced within Exim, but this one seems to be more tricky
> than I thought. Thanks for possibly answers!
>
> Michael
