On Thu, Feb 01, 2007 at 04:42:19PM +0000, Philip Hazel wrote: > On Thu, 1 Feb 2007, Luke Kenneth Casson Leighton wrote:
>
> > HELO localhost
> > MAIL FROM:<>
> > RCPT TO:llllllllllllltotallyfakeaddress@localhost
> >
> > and _that_ was accepted (!)
>
> Instead of doing this using telnet, try using Exim's -bh debugging
> facility, possibly also with -d for additional debugging data. It will
> show you exactly what Exim is doing.