Re: [exim] Slow SMTP

>
> I wondered if it was Exim doing a DNS lookup on the client
> which could be
> failing and causing a delay?

Or an ident call ?

>
> If this is possible, how would I turn this off for
> authenticated clients to
> eliminate it
>
Have a look at rfc1413_query_timeout in chapter 14 of the spec
(http://www.exim.org/exim-html-4.66/doc/html/spec_html/ch14.html). Try setting
that to 0 and see if that helps.
J