If you are hosted on one of our UK based eco servers, you can access your webmail, at http://mail.[servername].ecohost.coop
For example,
http://mail.ash.ecohost.coop for the "Ash" server, http://mail.rowan.ecohost.coop for the "Rowan" server
You can log in with your email address and password.
After loggin in for the first time, please make sure to update your personal details including the 'Reply To' address, so that emails you send will have your email address attributed as the sender.
To edit these details, visit Options -> Personal Information once logged in.