Jack Bates:
> How can a Postfix "content filter" tell whether the upstream client
> authenticated or not?
>
> I'm working on a content filter which should behave differently,
> depending on whether the upstream client authenticated to Postfix or not
Set "smtpd_sasl_authenticated_header = yes" if the client anthenticates
with sasl (or with Postfix 2.5 and later, look for the "Received
... with ESMTPA or ESMTPSA ..." header).
Set "smtpd_tls_received_header = yes" if the client authenticates with
a TLS certificate.
Wietse
