Do Email Providers Publish Email Directories?

Most people are used to the idea of published phone directories, and some expect similar directories to exist for email addresses. In fact, most email providers own and maintain the records themselves, and only allow them to be searched by reverse email search services. Like cell phone directories, email directories are considered private, and usually charge a small fee to access, but depending on your email provider you might be able to find out some things using a free email lookup. Further reading ...