Quite - but this arrived this am
"
Hi,
We've successfully added your domains to our Sender ID queue. However, please take note that this does not guarantee that your emails will de delivered to your recipients' inbox. Publishing your SPF records and enrolling in our Junk Mail Reporting Program (JMRP) are the two policy requirements of Hotmail.
If you are still unable to send emails to Hotmail users, please confirm that your emails comply with Windows Live Hotmail's technical standards."
NB My bolding: Is this a new M$ rule? The quality of English is poor even for Americans.

Am I being spoofed? Does anyone know what this all means? Why has this suddenly happened?