From: Oliver Cook [mailto:ollie@uk.clara.net] >
> While playing with ignore_target_hosts I managed
> to get Exim 3.22 to seg fault. Having recompiled
> with debugging symbols I ran it through gdb and
> got the following output. There was no core dumped.
>
> The ignore_target_hosts was specified in the final
> router in the format:
>
> ignore_target_hosts = mailspool.clara.net:mail2.clara.net
>
> mailspool.clara.net is a DNS round-robin comprising
> three hosts. Mail2.clara.net is just a single host.
I have also Exim 3.22 segfaulting with just
ignore_target_hosts = 127.0.0.1
set.