As most Sky mail customers will be only too aware of by now; Sky are trransferring their service from Gmail to Yahoo!
So far the change, which started on the 4th April, has not exactly gone smoothly.
One legacy from the Gmail service is the SPF record for sky.com:
which has not been updated to reflect the new status."v=spf1 ip4:87.86.189.0/25 include:aspmx.googlemail.com a:im3.sky.com mx:sky.com include:sendgrid.net ~all"
Our customers may experience delays on mail from non-whitelisted @sky.com addresses as a result.
Sky.com mail users must now take additional precautions to secure their account.