Configuring sendmail Config files /etc/mail/aliases.db, /etc/mail/, /etc/mail/ and /etc/mail/local-host-names Configuring sendmail echo `hostname` > /etc/mail/local-host-names cat > /etc/mail/aliases << "EOF" postmaster: root MAILER-DAEMON: root EOF cd /etc/mail && cp -R /usr/src/sendmail-&sendmail-version;/cf/* . && cp -R /usr/src/sendmail-&sendmail-version;/cf/cf/ . && cp -R /usr/src/sendmail-&sendmail-version;/cf/cf/ . && newaliases -v To start and stop sendmail on system boot/shutdown create the sendmail boot script with the following commands: The -qNm option, where N is number of minutes, controls how often Sendmail will process the mail queue.  A default of 5 minutes is used here.  Individual workstation users may want to set this as low as 1 minute, large installations handling more mail will want to set it higher. cat > /etc/rc.d/init.d/sendmail << "EOF" #!/bin/sh # Begin $rc_base/init.d/sendmail # Based on sysklogd script from LFS-3.1 and earlier. # Rewritten by Gerard Beekmans - source /etc/sysconfig/rc source $rc_functions case "$1" in start) echo "Starting sendmail..." loadproc /usr/sbin/sendmail -bs -bd -q5m start ;; stop) echo "Stopping Sendmail..." killproc sendmail ;; status) statusproc sendmail ;; restart) $0 stop sleep 1 $0 start ;; *) echo "Usage: $0 {start|stop|status|restart}" exit 1 ;; esac # End $rc_base/init.d/sendmail EOF chmod 755 /etc/rc.d/init.d/sendmail Create the run level symlinks with the following commands: cd /etc/rc.d/init.d && ln -sf ../init.d/sendmail ../rc0.d/K25sendmail && ln -sf ../init.d/sendmail ../rc1.d/K25sendmail && ln -sf ../init.d/sendmail ../rc2.d/K25sendmail && ln -sf ../init.d/sendmail ../rc3.d/S35sendmail && ln -sf ../init.d/sendmail ../rc4.d/S35sendmail && ln -sf ../init.d/sendmail ../rc5.d/S35sendmail && ln -sf ../init.d/sendmail ../rc6.d/K25sendmail