[exim] EXIM 4.43 on cygwin gives 451 error when network is d…

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Autor: Leon
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A: Exim-users
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Assumpte: [exim] EXIM 4.43 on cygwin gives 451 error when network is down
Hi,

Thanks for reading this message.

I'm working on a new setup of a system, the aim is to always accept
email from the localhost.
Even when the network is down, e-mail has to be queued for later delivery.
Security is not a concern as the machine will be behind a firewall and
doesn't accept external connections


When I pull the network cable from the mail server and try to get a
message into the queue exim
gives the following error; " 451 Temporary local problem "

But it is possible to put a mail on the queue like this :
    cat filename   | exim -f  user@??? user@???
So it should be possible as it seems to be functioning


Apparently it does a DNS lookup so:
I tried to mail to an IP address like user@??? no success
I tried to put the hostname.domain name of the receiving mail server in
the (windows) hostfile: no success

So should I run a named to answer the query ?
or
Do you know what to change in the config to have exim accept mail the
normal way in a network down situation?.

All suggestions are welcome


Kind regards,


Leon Berkers