Bug#313422: exim4-daemon-heavy: Bounces mail when network is down

[Marc Haber]

On Thu, Jun 16, 2005 at 11:09:34AM -0500, John Goerzen wrote:
> On Thu, Jun 16, 2005 at 05:33:04PM +0200, Marc Haber wrote:
> > > What specific debug settings do you want me to try?  (It's a little
> > > difficult to just experiment randomly since this is a live, production
> > > server.  Our 'net connection has been a little unreliable lately, but it
> > > doesn't have predictable failure <g>)
> > 
> > I would like to see something like
> > 
> > echo "test" | exim -d some.address@example.com
> 
> OK.  I have been trying this sort of thing but have not encountered an
> outage long enough to duplicate the problem just yet.

A pity. Please keep on trying.

> > Does your DNS still function when your connection is flakey? What does
> 
> We have bind9 on the LAN, so it could return cached results even with
> the Internet connection is down.  I would be highly surprised to see it
> returning the NXDOMAIN like you saw with dnsmasq, and even if it did, I
> thought exim4 generated a different error in that situation.

bind9 should be fine in these cases. A DNS glitch would, however,
explain the "cannot route" error message, as the configuration looks
unbroken.

> I will continue trying to get you debug information.

Thanks.

Greetings
Marc

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