Mark Nottingham:
> > On 11 Jan 2015, at 8:00 pm, Wietse Venema <wie...@porcupine.org> wrote:
> > 
> > Mark Nottingham:
> >> Hi,
> >> 
> >> I?d like to insert SMTP headers and/or body content (e.g., using 
> >> alterMIME) in outgoing e-mails *if* the SMTP connection to the recipient 
> >> is not protected by TLS.
> >> 
> >> Is this possible in postfix today, or would it require a change to source?
> > 
> > No, you add the headers with a policy daemon, a Milter, or with
> > an SMTP-based content filter. 

Or you can use "smtpd_tls_received_header=yes" to show the opposite:
this message was received with TLS.

        Wietse

Reply via email to