If you have forgotten your username and/or password you will need to create a support request.
2012 and onwards
If you are trying to set up emails on an email client (i.e. Outlook), tablet or phone then follow this guide: https://support.google.com/mail/troubleshooter/1668960?hl=en
Cloud Email and Microsoft Exchange
Follow this step by step online guide: https://help.emailsrvr.com/
We will be migrating all customers to our 2012 and onwards platforms. In the meantime, please create a support request and we will get back to you with the details you need.