On Tue, 2012-04-03 at 10:31 -0500, Stan Hoeppner wrote: > On 4/3/2012 9:56 AM, Sam Jones wrote: > > Good Afternoon, > > > > My senior tech and I have been having a squabble over PTR, Hostnames and > > reverse mapping. > > > > If you have a client connect from 1.2.3.4 and perform a host name lookup > > on that, so you get back host.example.com, would it impact on mail if a > > forward query for host.example.com returned multiple A records, say > > 1.2.3.4 & 5.6.7.8 alternating between the top of the result sets in a > > round robin? > > It's possible, but the devil is in the details, which you did not > provide to us. It really was just a general question as to how an MTA, specifically Postfix, would respond if multiple alternating A records were returned in respect of a forward DNS request for a PTR/Hostname connection return.
If you don't know, that's fine - just say so. You don't need to let yourself down with the old flame: > > This was included in your list welcome message. > http://www.postfix.org/DEBUG_README.html#mail > Please read it and post the relevant information it instructs you to. > In this case, at minimum, we need to see the SMTP responses from the > remote MTA. > Because I actually had gone through that, which is why I was able to find the configuration value that could impact in such a scneario. I do apologise for the distress, offence and disturbance my rude stupid question has obviously caused you. I won't repeat it and I hope you can forgive me.
