Has anyone talked about the changes planned by AOL, Yahoo! etc. to require "certification" via Goodmail or just be blocked? ... It's been beaten to death -- at this point I can't recall if here or on other lists. Essentially it means nothing. AOL backpedaled the next day saying it wasn't a press release, they aren't requiring anything, blah blah blah.
Having looked over the earlier articles I could find in the archive, and given how sensitive mailing list operation is to various mail authentication techniques -- e.g., SPF really does break it -- and given that AOL did not quite say that they are not requiring anything, I thought it worth reciting the current policy, as both yahoo and aol are stating quite explicitly:
Their use of Goodmail is for "transaction" messages, like purchase confirmations and is only an adjunct to both service providers' existing mechanisms. For example, AOL with be continuing both of its existing white-list services.
From what I can tell, the Goodmail technology does not work through a mailing list. From what I can tell, limited its application to transaction mail will keep this from being a problem.
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Dave Crocker Brandenburg InternetWorking <http://bbiw.net>