Updated at 4.40pm:
We have been working hard to fix the issues NHSmail has been having today.
The supplier has confirmed that access has been restored for some users but remains unavailable to others.
We continue to work hard to restore service to all users and will update again as the situation changes.
We apologise to all of those who have been affected and to those still inconvenienced.
Keep following our updates on social media using the hashtag #NHSmail and at https://digital.nhs.uk/services/nhsmail