In This Chapter
Looking at how email works
Installing and starting Sendmail
Understanding basic Sendmail configuration
Blocking spam with SpamAssassin
Reading email with mail and Evolution
Sendmail, which is a standard part of most Linux distributions, is one of the most popular mail server programs on the Internet. You can use Sendmail as an alternative to expensive mail server programs, such as Microsoft Exchange Server, to provide email services for your LAN. This chapter shows you how to set up and use Sendmail on a Linux server.