Re: RrDNS-v-PTR

[Sam Jones]

On Tue, 2012-04-03 at 11:53 -0400, Wietse Venema wrote:
> With Postfix, multiple IP address per A record are fine, as long
> as the CLIENT IP address is listed among them.
> 
> However, having multiple PTR records for one IP address, that is a
> different matter. Postfix will not try to guess which name it should
> use. It just takes the first name that comes up, and requires that
> that name resolves to the client IP address. 
Thank you. That is valuable knowledge. Much appreciated.