Chapter 25: Running a Mail Server . . . . . . . . . . . . . . . . . . . . . 671
Internet E-Mail's Inner Workings ............................................................................671
About the System and the Software Used ..............................................................673
Preparing Your System ............................................................................................673
Configuring DNS for Direct Delivery ......................................................................674
Configuring for Retrieval from a Mail Host ..............................................................675
Installing and Configuring the Mail Server Software ..............................................675
Installing Exim and Courier ....................................................................................676
Installing ClamAV and SpamAssassin ......................................................................678
Testing and Troubleshooting ....................................................................................680
Checking Logs ........................................................................................................680
Common Errors (and How to Fix Them) ................................................................681
Messages Rejected by Exim ............................................................................681
Messages Not Delivered by Exim ..................................................................683
Login Failures When Connecting to Courier..................................................683
Configuring Mail Clients ........................................................................................684
Configuring Fetchmail ............................................................................................684
Configuring Web-Based Mail ..................................................................................685
Securing Communications with SSL/TLS ................................................................685
Summary ................................................................................................................687
Chapter 26: Running a Print Server . . . . . . . . . . . . . . . . . . . . 689
Common UNIX Printing Service ............................................................................690
Setting Up Printers..................................................................................................691
Using Web-Based CUPS Administration ..................................................................691
Using the Red Hat Printer Configuration Window ..................................................694
Configuring Local Printers in Fedora ............................................................695
Configuring Remote Printers in Fedora..........................................................699
Adding a Remote CUPS Printer......................................................................699
Adding a Remote UNIX Printer......................................................................700
Adding a Windows (SMB) Printer ..................................................................700
Working with CUPS Printing ..................................................................................701
Configuring the CUPS Server (cupsd.conf) ..............................................................702
Starting the CUPS Server ........................................................................................703
Configuring CUPS Printer Options Manually ..........................................................704
Using Printing Commands ......................................................................................705
Printing with lpr ......................................................................................................705
Listing Printer Status with lpc..................................................................................706
Removing Print Jobs with lprm................................................................................706
Configuring Print Servers ........................................................................................707
Configuring a Shared CUPS Printer ........................................................................707
Configuring a Shared Samba Printer ........................................................................709
Understanding smb.conf for Printing ............................................................709
Setting Up SMB Clients..................................................................................709
Summary ................................................................................................................710
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