Designed to allow webmasters who do not have any dedicated server or using shared web-hosting services to provide web based email service.
SocketMail Lite support multi-domain 'alias', that enable you to provide service like Mail.com. From one single web site, users can signup for domain name of their choice and later login to the domain that they have signed up for.
As of version 2.2.8, SocketMail Lite comes with POP3/SMTP server. You may offer accounts to send and receive emails via their favourite email client such as Outlook. The POP3/SMTP server can be turned on/off from the admin page (unless your php is on safe-mode, then you need to do it manually). Do not require any root access. Simple and easy to run.