SPF To Be Integrated With MS 'Caller ID' System
An anonymous reader submits "CNET's news.com is reporting 'An ongoing effort to consolidate antispam authentication schemes took a big step forward with the merging of Sender Policy Framework (SPF) and Microsoft's Caller ID for E-mail.' This is potentially good news." For more background, here are three previous mentions of Microsoft's proposed Caller ID-style system.
if the use can then set up their client to auto reject email that does not pass.
Make sure you let them know that patents on email technology are unacceptable. Merging is okay, let's just keep the SPF license, not the Microsoft one.