In order to access Amanuens you have to navigate to your account's main URL. For example, if your account has
acme as the name, the URL will look like this:
https://my.amanuens.com/acme
To get maximum security, make sure to access Amanuens only with a
https:// URL. You should then be prompted for your
user name and your
password. Your manager should have sent them to you when she gave you access to Amanuens.