Emails to Hotmail are being rejected

Emails to Hotmail are being rejected


Hotmail is currently rejecting any email I send to it with the following error

- ERROR_CODE :550, ERROR_CODE :SC-001 Mail rejected by Windows Live Hotmail for policy reasons. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems.

It's happened on a couple of emails none of which have 'spam-like characteristics' I don't think..and unlike the perennial Yahoo warnings; this one looks final in that I will have to resend the emails again.

Can this be fixed please?