MAAWG is the Messaging Anti-Abuse Working group. It was started by Openwave, a vendor that sells e-mail hardware and software to large ISPs and originally consisted only of Openwave customers, but has evolved into an active forum in which large ISPs and software vendors exchange notes on anti-spam and other anti-abuse activities. Members now include nearly every large ISP including AOL, Earthlink, Yahoo, Comcast and Verizon is a member, along with ESPs like Doubleclick, Bigfoot, and Checkfree, and vendors like Ciscom, Ironport, Messagelabs, Kelkea/Trend, and Habeas. They've also been quietly active in codifying best practices and working on some small but useful standards like a common abuse reporting format.
Earlier in July their technical committee quietly released an evaluation of SPF and Sender-ID. Although it is worded very tactfully, the message is clear from phrases like;
While MAAWG neither endorses nor discourages the use of SPF or Sender ID, the technical committee's findings highlight real-world risks to the delivery of legitimate e-mail when the specifications are implemented.
At about the same time, Earthlink equally quietly removed the SPF records they'd been publishing for at least a year. That was particularly surprising because SPF originator Meng Wong had been working with Earthlink to get their SPF set up. If Meng can't make SPF work, who can?
I particularly look forward to see what happens in November when Hotmail says they will start showing a yellow warning box (the Big Yellow Box Of Death, or BYBOD to the cognoscenti) on any incoming mail that doesn't pass Sender-ID. With no SPF records at all, Earthlink's mail won't pass Sender-ID, and will, we assume, be 100% BYBOD compatible. Will Hotmail blink and add their own synthetic SPF records for Earthlink? Will Earthlink publish SPF records that only Hotmail can see (and if they do, how could we tell?) Should be interesting.
(Claimer: most of MAAWG's members are companies that pay a substantial membership fee, but they also have a few invited individual members, including me.)
Related topics: Spam
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Minds + Machines