On Thu, Jul 11, 2002 at 01:53:37PM +0100, Philip Hazel said: > On Thu, 11 Jul 2002, Ceri Davies wrote:
>
> > However, it seems that exim will always fall back to transmitting
> > the message over an unauthenicated session if SMTP auth fails
>
> hosts_require_auth
>
> That's an Exim 4 option.