If you have a static IP address, there's no reason why you couldn't use an old PC as your own server. Ok, your broadband connection might not be fast enough to run a professional web server, but you could use it to setup your own mail server and handle your incoming email. If you lived in shared accommodation, you could then use a domain name and setup local POP3 mailboxes for users who had access to the server. The same applies to a small company or department.
MailEnable Standard 1.983 is the free version of the professional mail server that will enable you to setup your own mail service, including using this service to handle mailing lists and filtering incoming email so that you can protect your email users against spam.
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