> update:
> If I restart bind9 on the exim server and then send the mail from an
> external client straight after bind comes back up, exim takes
> the mail
> ok. But instantly I try to send another email, it does the same old
> thing. So there is something wrong with DNS, but everything is
> resolving ok, and I have views in bind (internal and external).
> That could be a red herring. Does the temporary rejection only happen when you're using TLS/SSL to
connect ? Do you have enough entropy ? You don't mention what OS you're using, but on Linux
cat /proc/sys/kernel/random/entropy_avail
will tell you if you have any entropy.
John