On Tue, 7 May 2002, Justin Bloom wrote:
> The problem occurs with multiple different servers so it is not just with
> communication with a single server. What I have noticed is that if the
> message is sent again it successfully manages to reach the target system. I
> believe that the cause of the problem maybe that the DNS is taking to long
> to be retrieved by the mail server and that exim is rejecting it as it times
> out before the DNS query is answered as it also appears to be a problem only
Exim just calls your DNS resolver. Most resolvers give "try again" if a
query times out. This will cause Exim to defer delivery.
> My question is can I extend the time that exim waits for a DNS query to be
> returned or get it to retry a few times before bouncing the message back to
> the user who the message originated from?
Exim should normally retry according to its retry rules.
Exim has two options calls dns_retry and dns_retrans that set resolver
options.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
