Add ourdigs.co.uk to your safe senders using Gmail, Outlook.com or Yahoo! Mail
  1. In your email program, click the cog icon in the top-right corner and then More mail settings.
  2. Select Safe and blocked senders and then Safe senders.
  3. Add ourdigs.co.uk to the list of Safe senders.
  4. Return to Safe and blocked senders and then select Safe mailing lists.

More help here.