Chapter 11. Advanced E-Mail Service Configuration Options
As you’ve seen in the previous chapter, there’s a lot to configuring and managing e-mail services for Internet, intranet, and extranet sites. Working with Simple Mail Transfer Protocol (SMTP) and Post Office Protocol 3 (POP3) isn’t as straightforward as working with Web or File Transfer Protocol (FTP) services—there’s a lot going on behind the scenes and a lot of configuration options to consider. With all the options available, don’t overlook the importance of securing connections and properly managing message delivery. Not only do these advanced configuration options ensure that the e-mail services work properly, but they also help safeguard the system.
Securing Incoming Connections