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+Here's how to remove sendmail from your system.
+
+1. Find sendmail in your boot scripts. It's usually in either /etc/rc or
+   /etc/init.d/sendmail. It looks like
+           sendmail -bd -q15m
+   -q15m means that it should run the queue every 15 minutes; you may
+   see a different number. Comment out this line.
+
+2. Kill the sendmail daemon. You should first kill -STOP the daemon; if
+   any children are running, you should kill -CONT, wait, kill -STOP
+   again, and repeat ad nauseam. If there aren't any children, kill
+   -TERM and then kill -CONT.
+
+3. Check whether you have any messages in the sendmail queue,
+   /var/spool/mqueue. If you do, you will have to try flushing them with
+   sendmail.bak -q. If necessary, wait a while and run sendmail.bak -q
+   again. Repeat until the queue is empty. This may take several days.
+
+4. Remove the setuid bit on the sendmail binary, to prevent local users
+   from gaining extra privileges through sendmail's security holes. The
+   binary may be at several different locations:
+      # chmod 0 /usr/lib/sendmail
+      # chmod 0 /usr/sbin/sendmail
+      # chmod 0 /usr/lib/sendmail.mx
+
+5. Move the sendmail binary out of the way:
+      # mv /usr/lib/sendmail /usr/lib/sendmail.bak
+      # mv /usr/sbin/sendmail /usr/sbin/sendmail.bak