The webmail feature generally works like any other email client that connects to an email server. So yes, in many cases you can replace Outlook with Solve’s own webmail. In Solve’s case the email servers supported are Rackspace and as Adrian recommended Google (you cannot use your own ISP, GoDaddy, etc). Of course the bonus with our webmail system is that it is fully integrated with the CRM system e.g. autocomplete addressing, add a contact, email dropboxes etc.