Todd Lyons wrote:
> On Fri, Jun 1, 2012 at 1:17 PM, Mike Lyon<mike.lyon@???> wrote:
>> Well, I have the forward and reverse IPs matching. Don't have any MX
>> records for that specific domain set-up because I don't have any inbound
>> mail setup for that domain (nor do I want it).
>
> Set up an MX record that indicates that then.
> http://tools.ietf.org/html/draft-delany-nullmx-00
> It may only be draft, but I've seen it in the past in live production.
>
>> It's an IP block that was allocated to us from ATT on a business circuit. I
>> checked the IP addresses on MX toolbox and they come up clean
>
> That's a good thing.
>
>> Would they actually refuse the connection if there were no MX records for
>> that domain?
>
> If they do, then they break fallback to A records as defined in the RFC's.
>
> ...Todd
Forensics taken offline. Testing completed.
Not a Google issue, nor Exim, nor DNS...
Stale FW rule on port 25 was penning Mike right in hizzown tcpip
stack... never left his own box.
Nothing further to see here...
;-)
Bill
--
韓家標
