The following article will show you the steps to create a new email account.
The email account must have domain administrator privilege
Step 1: Log in to the webmail via https://mail.yourdomain.com (replace yourdomain.com with your own domain).
Step 2: Proceed to Settings → Domain Settings → Accounts.
Step 3: Create a New Email Account
Click the New button to initiate the process of creating a new email account.
Step 4: Provide Account Details
Enter the desired Username and Password for the new email account.
Step 5: Access the New Created Email Account
The New created email account can now be used to log in to https://mail.yourdomain.com. Use the username and password you configured during account creation.