Instead of running and worring about your own mailserver you can use Google Apps.
£33pa per user or £66pa per user for unlimited storage.
Google Apps works with:
You can also give your staff access to:
This is a suit of online applications that can allow your users to create, share and collaborate on word processing documents, spreadsheets and presentations.
Store you files and Google Docs online. The £66 per user per year product is now unlimited storage!
Please make contact if you are in the London area and require assistance in setting up or migrating to Google Apps. Help moving or setting up your domain name to work with Google’s mail services.