Hi Anthony,
I'm setting up a very specialized email service that will ultimately need to support a few hundred thousand users or more. From looking at the code, I am left wondering if I need to install a separate IMAP server or does RoundCubeMail handle it all? If I do need to install an IMAP server, can anyone suggest one in particular? Right now, I'm seriously looking at Cyrus.
Roundcube is a browser based IMAP client. To use it you need a seperate IMAP server.
Given the system size you want to deploy, I'm not certain what IMAP server to suggest. Hosting a few hundred thousand users will present a fair few issues to be resolved (bandwidth, server specs etc..).
-- Michael michael.ross@atice.org