Re: Networking -- use of two Internet connections for one server with round robin DNS -- web okay, but should I do mail this way too?
Erwan David <erwan@rail.eu.org> writes:
> On 09/07/11 19:00, lee wrote:
>>> My mail server is behind a NAT gateway in IPv4, and directly connects in
>>> IPv6. What shoud I configure it for HELO : the name of the NAT gateway
>>> (for IPv4) or its own name (IPv6 only from outside) ?
>>
>> Hm. Can you send me an email through IPV6? My guess is that you can
>> not, and that you would need to configure the [E]HLO depending on which
>> version of the protocol you use to send outgoing messages. But then,
>> I'd have to look up how exactly exim4 is doing the rDNS checking to be
>> sure.
>
> Depends on your MX But all my emails to debian ML go through IPv6
Well, try, or look up the MX record ...
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