[Mimedefang] Only MX record is fake

[Les Mikesell]

On Fri, Nov 18, 2011 at 9:36 AM, Kris Deugau <kdeugau at vianet.ca> wrote:
> kd6lvw at yahoo.com wrote:
>>
>> Any spammer stupid enough to try to send his spew forging this host
>> name as the sender address will also face an SPF-RR "v=spf1 -all"
>> (while those idiots still resolving ONLY TXT-RRs for SPF will get
>> "v=spf1 +all").
>
> Some <ahem> "idiots" are still using DNS infrastructure that does not
> support the formal SPF RR type.
>
> The current stock BIND package on RHEL5 (and any of the source-rebuild
> derivatives), for instance...

But to be fair, bind97 is also a stock package, just not installed by default.

-- 
   Les Mikesell
    lesmikesell at gmail.com