For those who've not come across it before Axigen provide a very handy and easy to configure mail server. It runs on Linux (ours is Ubuntu) and windows. It has commercial pricing up to enterprise, but you can run up to 100 mailboxes free and multiple domains. You can buy extra's like Kaspersky antivirus. It also has webmail client, calendaring, document sharing etc. We've been using it for almost a year now without any significant problems. find it at www.axigen.com A nice example of bulgarian software, we have no financial interest in this company.