On 2014-08-07 at 14:36 +0000, Viktor Dukhovni wrote:
> Postfix, with "smtpd_tls_received_header = yes", decorates the Received
> header with TLS protocol information:
>
> Received: from sbh17.songbird.com (sbh17.songbird.com [72.52.113.17])
> (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
> by amnesiac.example.com (Postfix) with ESMTPS id 0609B2AA9FF
> ...
>
> Is something like this supported by Exim? Are you specifically
> looking for a separate header? Or would decorating the top-most
> Received header (prepended by the receiving MTA) in a similar manner
> be enough?
Not only is it supported, it's also on by default.
The option is `received_header_text` and it's an expanded string; the
last email I see from you to me was recorded as:
esmtps (TLSv1.1:ECDHE-RSA-AES256-SHA:256)
Regards,
-Phil
