A book for the hard-core Unix sysadmin, by a fellow hard-core sysadmin with decades of experience running small mail servers.
Running your own mail server is not only an act of defiance against some of the largest exploitative companies in history. It is not a mere education in protocols. Email is essential to modern industrial society. By running your own email, you seize control of your communications. You can tune your email to fit your needs, rather than accepting the defaults imposed by a company that exploits you without …