On Fri, 30 Jul 2004 13:15:43 -0400, John Keown wrote
Sorry it should have been /24 not /28
In that case, it's the latter one. The former makes no sense! You have to do
the binary math, you can't just pick any arbitrary range of 256 IP addresses
and say it fits the mask.
----- Original Message -----
From: "Ernesto Baschny" <ernst(_at_)baschny(_dot_)de>
To: <spf-discuss(_at_)v2(_dot_)listbox(_dot_)com>
Sent: Friday, July 30, 2004 1:12 PM
Subject: Re: [spf-discuss] mail administrator certification example
On 30 Jul 2004 at 13:05, John Keown wrote:
What does the following mean.
smtp.example.com. A 192.167.1.25
mx.example.com. A 192.168.1.19
example.com. MX mx.example.com.
example.com. TXT "v=spf1 a:smtp.example.com/28 mx -all"
Does it mean 192.167.1.25 192.168.1.19-192.168.2.18
OR DOES IT MEAN 192.167.1.25 192.168.1.0-192.168.1.255