Hi again, sorry for answering to my own mail, but I just was thinking
if this would have something to do with the case:
hubbed:
driver = manualroute
domains = foo.com : foo.org : foo.net
route_data = ${lookup{$domain}lsearch*{/etc/exim4/hubbed_hosts}}
host_find_failed = freeze
transport = special_smtp
smarthost:
driver = manualroute
transport = remote_smtp
domains = ! +local_domains : !foo.com : !foo.org : !foo.net
route_list = "* smtp-out.domain.net"
Would this one not use the smarthost router for the domains foo.{com,net,
org}? The other thing I was thinking about was the condition variable,
in which I could define not to use smarthost for the domains I want
hubbed. Is this the case?
I'm sorry, but I don't have a machine to test this on, I will soon get
the machines, but I would just like to be sure about this thing beforehand.
thanks again,
Bo Granlund
Bo Granlund [granbo@???] wrote:
> Hi,
>
> I'm in the process of replacing a server running Postfix with Exim, due to
> obvious reasons. Now I have in principle the following configuration:
> - smtp-in machine accepts in connections to port 25, runs greylistd, and
> then forwards the messages forward to a machine. I'm not 100% sure how
> this was accomplished, and the machine is not in my appartment at the
> moment, but it was the hubbed.hosts or hubbed_hosts for the hubbed
> router definition. Anyways, the file has a number of domains, and a
> smtp server for each domain to send the mail to. This machine cannot
> connect to port 25 outside on the internet.
> - mailserver is a machine running Exim, that receives in practice all the
> hubbed mail from the smtp-in machine, for all domains. This machine
> delivers the mail to the local machine.
> - smtp-out is a machine running Exim, which can make connections outbound
> to port 25, so it can send mail to the outside world.
> So, my dilemma is this, which I would really appreciate an answer for, how
> can I convince the smtp-in machine to send the hubbed router stuff _first_,
> and if something goes wrong, a bounce is sent back to the sender via the
> smtp-out machine, which acts as a smart host for smtp-in and mailserver?
> I think that if I do use the smarthost feature without the hubbed router,
> I will end up in a situation, where the mail starts to just circulate
> between the smtp-in and smtp-out machines, because smtp-in is MX for the
> domains, and smtp-out will obviously send there the mail without thinking
> anything about it.
>
> So, is it possible to force Exim to first act on the hubbed router, and
> deliver mail straight to a given smtp server, with a direct connection
> to the port 25, and then if the hubbed router fails, it resorts back to
> using smtp-out as the smart host for sending mail? If this is possible,
> how would I go ahead and configure it?
>
> I'm new to this list, and I'm really sorry if I asked a FAQ, but google
> hasn't told me essentially nothing for 2 hours.
>
> Thank you,
> Bo Granlund
>
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