Viktor Dukhovni:
> On Wed, Jan 29, 2014 at 09:42:00PM -0500, Wietse Venema wrote:
>
> > > If postconf(1) is the same version of Postfix as smtp(8), then you
> > > check with "postconf smtp_tls_loglevel". This parameter is not
> > > defined when TLS support is not available.
> >
> > All TLS (and SASL) parameters are defined whether or not the feature
> > is compiled in. However, the SMTP client and server will log warning
> > when the feature is turned on.
>
> Yes, I neglected to check whether parameters that are conditionally
> compiled into smtp(8) and friends are also conditionally compiled
> into postconf(1). It seems that nowdays, postconf picks up all
> parameters even for features disabled at compile time. Was it
> always this way? I have dim memories of seeing fewer parameters
> from "postconf -d" in some long ago release when compiling without
> TLS support.
Yes, this has always worked this way. Just like the postconf(5)
manpage shows all parameters even when the corresponding features
are not built into Postfix.
> You should also have warnings in the logs:
>
> TLS has been selected, but TLS support is not compiled in
>
> when TLS is enabled in main.cf (even when site-dependent), but smtp(8)
> is not compiled with TLS support. That warning dates back to
> postfix-2.2-20050119.
That's around the time that TLS was merged into Postfix.
Wietse
