HP-UX Mailing Services Administrator's Guide

Configuring and Administering Sendmail
Troubleshooting Sendmail
Chapter 2 93
Troubleshooting Sendmail
This section describes the following techniques for troubleshooting
Sendmail:
• “Keeping the Aliases Database Up to Date” on page 93
• “Verifying Address Resolution and Aliasing” on page 94
• “Verifying Message Delivery” on page 94
• “Contacting the Sendmail Daemon to Verify Connectivity” on page 96
• “Setting Your Domain Name” on page 96
• “Attempting to Start Multiple Sendmail Daemons” on page 97
• “Configuring and Reading the Sendmail Log” on page 97
• “Printing and Reading the Mail Queue” on page 100
• “Changes to Sendmail Files and Databases” on page 104
You must log in as superuser to perform all Sendmail troubleshooting.
Keeping the Aliases Database Up to Date
You must rebuild the aliases database if you have made changes to the
aliases text file.
You must restart Sendmail after you change the configuration file or the
aliases database.
Issue the following commands, on a standalone system or on the mail
server, to rebuild the aliases database and restart Sendmail:
/sbin/init.d/sendmail stop
/sbin/init.d/sendmail start
Updating your NIS or NIS+ Aliases Database
If you are using NIS or NIS+ to manage your aliases database, see
Installing and Administering NFS Services, at the URL
http://www.docs.hp.com/hpux/onlinedocs/B1031-90048/B1031-90
048.html.