Exercises


1.

By default, email addressed to system goes to root. How would you also save a copy in /var/logs/systemmail?

2.

How would Max store a copy of his email in ~/mbox and send a copy to max@bravo.com?

3.

If your firewall allowed only the machine with the IP address 192.168.1.1 to send email outside the network, how would you instruct your local copy of sendmail to use this server as a relay?

4.

What does dnl stand for in the m4 macro language? What are dnl commands used for?

5.

SpamAssassin is installed on your mail server, with the threshold set to an unusually low value of 3, resulting in a lot of false positives. What rule could you give to your mail client to allow it to identify spam with a score of 5 or higher?

6.

Describe the software and protocols used when Max sends an email to Sam on a remote Linux system.




A Practical Guide to Red Hat Linux
A Practical Guide to Red HatВ® LinuxВ®: Fedoraв„ў Core and Red Hat Enterprise Linux (3rd Edition)
ISBN: 0132280272
EAN: 2147483647
Year: 2006
Pages: 383

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