[160940] in North American Network Operators' Group
Re: Check this out T-Mobile Launches GoSmart Prepaid Service
daemon@ATHENA.MIT.EDU (Rich Kulawiec)
Wed Feb 20 10:39:21 2013
Date: Wed, 20 Feb 2013 10:22:12 -0500
From: Rich Kulawiec <rsk@gsp.org>
To: nanog@nanog.org
In-Reply-To: <867gm3p2d2.fsf@seastrom.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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"
---rsk
