Conclusion

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In this chapter you learned various methods for controlling unwanted mail, including techniques that apply to all addresses and others that apply only to a single user or address. You also learned how to keep addresses out of junk mailer databases and that doing so is more effective than blocking spam.

In Chapter 9, "Managing Mailing Lists," you'll learn how to manage mailing lists on qmail systems using mailing-list managers such as ezmlm, Majordomo, and Mailman.

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