Hotmail Delivery Tips for Sender ID and SPF

Original Post: http://www.clickz.com/3627253
By Stefan Pollard, ClickZ, Oct 10, 2007

With authentication quickly gaining acceptance among both e-mail receivers, like ISPs, and senders, like marketers and publishers, now’s a good time to examine how changes at Hotmail might affect your use of Sender ID and SPF records.