Re: [Exim] Deferring delivery if authentication fails

setantae@??? said:
> Since my IP address is dynamic, what I'd like to do is set up the host
> shaft.techsupport.co.uk to ensure that my machine is the only machine
> that it delivers my mail to - SMTP AUTH would seem to be the thing for
> this. However, it seems that exim will always fall back to
> transmitting the message over an unauthenicated session if SMTP auth
> fails - I don't want that and would like shaft.techsupport.co.uk to
> refuse to deliver the message unless it has determined that it is
> really talking to my machine.

> Is this possible with exim, or would I be better off looking at
> something like IPsec between the two machines ?

I suspect it may be easier to use TLS, and tell Exim to do strict checking
of the recipient's key.

--
dwmw2