On Fri, 14 Jun 2013 12:38:47 +1200
Jason Haar wrote:

> On 14/06/13 07:08, Neil Schwartzman wrote:
> > Sure is. Also DMARCed and SPFed too.
> >
> > ;; QUESTION SECTION:
> > ;paypal.com <http://paypal.com>.INTXT
> >
> > ;; ANSWER SECTION:
> > paypal.com <http://paypal.com>.7INTXT"v=spf1
> > include:pp._spf.paypal.com <http://spf.paypal.com>
> > include:3rdparty._spf.paypal.com <http://spf.paypal.com>
> > include:3rdparty1._spf.paypal.com <http://spf.paypal.com>
> > include:3rdparty2._spf.paypal.com <http://spf.paypal.com>
> > include:c._spf.ebay.com <http://spf.ebay.com> ~all"
> >
> 
> Yeah but notice "~all" is not "-all". ie they are saying that
> legitimate Paypal email comes from those specific sources - except
> when it doesn't

It's possible that the domains are also used for the mail of paypal
employees.

> 
> I don't understand why "~all" exists at all. It's like a "checkbox"
> security feature: "oh yeah, our domain uses SPF!"

IIRC the original intention was that "-" would be used for outright
rejection, and "~" as information for spam filters. 

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