Check this out T-Mobile Launches GoSmart Prepaid Service Nationally on Phone Scoop

Wed Feb 20 15:48:17 UTC 2013

On 20 Feb 2013, at 5:22 PM, Rich Kulawiec <rsk at gsp.org> wrote:

> On Wed, Feb 20, 2013 at 07:59:53AM -0500, Robert E. Seastrom wrote:
>> If only there were some kind of method for Jay to publish which
>> addresses are actually authorized to send mail on behalf of [snip]
> 
> SPF is snake-oil.  Here's something that works (salt to taste for
> the MTA of your choice):
> 
> Connect:phonescoop.com	ERROR:5.7.1:"550 Mail refused, known forgery source"
> From:phonescoop.com	ERROR:5.7.1:"550 Mail refused, known forgery source"

Because putting things into a file on your server, instead of some distributed mechanism we could refer to, makes that much more sense. Did you guys see this /etc/hosts thing? It's awesome! I DON'T EVEN HAVE TO RUN A DNS SERVER!!

*flamesuit*

-J