On Mon, 20 Sep 2004 11:53:15 -0700, John Tolmachoff (Lists) <johnlist@xxxxxxxxxxxxxxxxxxx> wrote: > http://www.MSExchange.org/ > > SPF is a new work in progress. Basically, it is intended to help verify that > the received from mail server is authorized to send e-mail for the from > address. > > The intended implementation date is October 1. It is a TXT record in DNS. It's not mandatory, but by implementing it with your domains, you will stand a better chance at successfully sending email to some of the big providers who will be implementing it Oct. 1. I would recommend subscribing to the SPF-help mailing list - it's *the* place to discuss SPF. ...D