Re: SPF's helo identity as a reporting target

On Sun 13/May/2012 20:44:58 +0200 Chris Lewis wrote:

> On 12-05-13 05:58 AM, Alessandro Vesely wrote:
> 
>> No, wait.  Didn't I say it has to get an SPF "pass" to get usable?
>> I must have considered it implied... my bad.
> 
> It doesn't help.
> 
> spammerdomain.com IN MX 0  wmail.tana.it.
> spammerdomain.com IN TXT "v=spf1 ip4:0/0 -all"

That's not quite how helo authentication works.  When they say "helo
wmail.tana.it" the server looks up wmail.tana.it.

wmail.tana.it.  IN TXT  "v=spf1 redirect=tana.it"
tana.it.        IN TXT  "v=spf1 +ip4:62.94.243.226 -all"

They won't get a "pass" unless they are using that ip4.