Why do I have to log on with ID-porten to read public mail?

You have to log in via ID-porten to prove you are who you claim to be. 

ID-porten has two levels of security. The sender decides which level of security you will have to use to read post from them.

Contact ID-porten help desk on 800 30 300/+47 24 05 56 03 if you have any questions.