Hi - sometime this week (between Tuesday and Friday) BT's mail server mx.bt.lon5.cpcloud.co.uk has started rejecting certain emails forwarded to it by a domain forwarding service at Names.co.uk declaring there is a SPF check issue. The forwarding set up has been working for years without issue and no setting have been changed.
Does anyone have any idea why this should be and what can be done to correct it?
Thanks
