Go to https://post.au.dk and log on with:
Access your mailbox in post.au.dk with your username and password to mitstudie.au.dk (Self-service). If you have forgotten your password, please go to https://adgang.au.dk/en
If you are unable to access your AU email and have not linked a private email address to your au email, you can go to mit.au.dk and log in with WAYF and NemID to change your password.
On mit.au.dk (Self-service) and E-mail addresses you can find your email address:
Go to Create alias to change your email name (before @). All former email alias will be deleted in order to others to be able to use them.
You have unlimited space in your mailbox. However, there is a limit of 35 MB for each email.