Consists of 117 sample solutions for configuring sendmail functions running on a Unix computer that system administrators customize for their specific needs. The tasks discussed include accepting mail from other hosts, passing outbound mail to a relay, masquerading with LDAP, routing mail to special purpose mailers, blocking spam with the access database, and patching to close security holes. The examples are based on sendmail 8.12 taken from Red Hat Linux 7.3 and 8.0 and Solaris 8. Annotation ©2004 Book News, Inc., Portland, OR