Toralf Lund Wrote:
> I'm running an Exim (version 4.43 on Linux) server on a private network
>
> with an address-translating router. Works rather well, but the address
>
> translation means that the HELO (or maybe it's EHLO? It really makes no
>
> difference in this context) won't be valid - so if I e.g. send to the
> Exim router at work which does HELO checks, I get a HELO warning.
> That's
> if I don't use hardcoded addresses or anything in the Exim conf, of
> course. I can't just insert the info there, either, as the router has
> dynamic address setup, so the address it translates to as well as the
> associated hostname might change.
>
> Is anyone else running Exim in such a setup? What's the best way to get
>
> a correct HELO?
>
> - Toralf
>
Yes there is a correct way to configure a MTA behind a NAT router and a
Dynamic IP address setup... Please use an Upstream Smart host. If you
choose to send email out directly, please be aware that many servers
will not accept your emails. Most major ISPs will not even accept it
if you are comming from a fixed IP address that does not have a proper
ReverseDNS or one that is carved out of a "traditional dynamic range"
I had to jump through several hoops with my setup because my Fix IP
range Is a subset of a larger Dynamic range...
It is a Nightmare and not worth the trouble you are going to find...
But, It's your server and your Email so you can do what you want with
it..
Kevin
--
kmb
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