On Mon, Nov 03, 2003 at 04:07:36PM +0100, Dirk Schneider wrote:
> Am Montag, 3. November 2003 15:47 schrieb Andreas Metzler:
> > On Mon, Nov 03, 2003 at 03:36:35PM +0100, Dirk Schneider wrote:
> > > If any client uses my MTA it has to use TLS and should be unable to do it
> > > other way. If any other MTA communicate with my exim TLS can be usable or
> > > not. (Sorry for bad english).
> > [...]
> > Is there any way for you to differ between "MTA" and "client"? Do the
> > clients use SMT-AUTH or specific domains?
> Yes,
> the clients are using SMTP-AUTH (LOGIN).
> Authenticated users are allowed to use any address as sender to any domain.
> Any other MTA are allowed only to give me mails only for the domains where my
> exim is the MX for.
That is easy. Only advertise SMTP-AUTH on encrypted connections.
auth_advertise_hosts = ${if eq{$tls_cipher}{}{}{*}}
BTW:http://afaik.nimmich.org/usenet/faq/zitieren/ - Thanks.
cu andreas
