Re: [Exim] Exim4, where has the "bydns_mx" option gone ?

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Autor: Oliver Egginger
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A: exim-users
Assumpte: Re: [Exim] Exim4, where has the "bydns_mx" option gone ?
You wrote:

> I think you'll have to wait until I get to that Wish List item. What I
> had originally planned was a router called "masquerade", which would
> implement "route this domain as if it were that domain". Whether or not
> I'll actually do it that way I don't at present know.


Ok, we can wait, it's only a minor problem (for us).
Thank you for your response.

Oliver


Komplette Nachricht vom (complete message from) Dienstag, 2. Juli 2002 17:46:
> On Tue, 2 Jul 2002, Oliver Egginger wrote:
> > Ultimately, a minor problem, anyhow:
> > we switchted from Exim 3 to 4.
> > In Exim3 we use the "bydns_mx" option in our "smart_host" configuration.
> > This option don't exists in Exim4.
>
> I decided that the manualroute router really should be cleaner, and
> implement "route this domain to those hosts".
>
> What you were doing was "route this domain as if it were that domain",
> and it seemed to me to be cleaner to keep this as a separate function.
> However, I never actually implemented that functionality!
>
> > But our smart host only exists as a MX record.
>
> Then it isn't, strictly speaking, a "smart host". I guess it's a "smart
> domain".
>
> > Current this MX record mask two mailhubs.
> > In our new Exim4 configuration I use the following route list (which acts
> > as a makeshift): route_list =  *
> > mailhub1.our_mailprovider.de:mailhub2.our_mailprovider.de  bydns But I
> > would like to have something like this
> >    route_list =  *   smarthost.our_mailprovider.de  bydns_mx
> > How can I handle this in Exim4 ?

>
> Not easily at present. I was asked this question last week. As a result
> of that question, there is now an item on the Wish List.
>
> > I like the MX record solution, because if our provider chance something
> > on his host configuration we don't have to pay attention to it.
>
> Many (most?) other smarthost providers use multiple A records instead.
> We do it that way. I suppose using an MX does give the option of
> different preferences, but in some sense it isn't "right".
>
> > I think I need a route list, therefore I have to use a manual router.
> > Could you please give me a hint ?
>
> I think you'll have to wait until I get to that Wish List item. What I
> had originally planned was a router called "masquerade", which would
> implement "route this domain as if it were that domain". Whether or not
> I'll actually do it that way I don't at present know.