Harker Systems is offering its Sendmail & DNS Hands-On Training
October
15th-19th in San Jose, California. The five-day class covers the
configuration, operation and trouble-shooting of sendmail and the BIND
named DNS server. It is designed for UNIX system administrators who
need
to come up to speed quickly on configuring, managing and
troubleshooting
sendmail and named. The hands-on labs reinforce the class lectures and
notes allowing the student to learn by doing.

Sendmail topics covered include:
* The operation of sendmail
* New features of sendmail 8.14
* Limiting spam using sendmail's anti-spam features
* Performance tuning and anti-spam features
* Configuring and tuning SMTP delivery for optimum performance
* Configuring and securing a sendmail firewall relay
* Mail routing, delivery and address rewriting features
* Managing sendmail's queue directory
* Queue performance tuning and management including using the new
queue
groups features
* Using sendmail's MILTER interface to add functionality such as
anti-spam and anti-virus scanning
* Setting up multiple virtual domains on a single sendmail server
* Using the m4 compiler to generate sendmail.cf files
* Verifying the correct configuration and operation of a sendmail
server
* Trouble shooting and debugging common sendmail problems
* Using sendmail's debugging flags to troubleshoot problems
* Understanding sendmail's rulesets and address rewriting rules in
order to
Use sendmail's address test mode to troubleshoot addressing
problems

Named and DNS topics covered include:
* Setting up both master and slave named servers
* Understanding and using the different types of DNS Resource
Records
* Creating and maintaining zone files for your domain
* Using ACLs and transaction signatures to control and secure your
DNS
information
* Trouble shooting and debugging common named and DNS problems
* Architecture and design of a network of DNS servers for a complex
network

For more information please visit:
http://www.harker.com/training/hdsonsmdns-top.html
Or send email to:
info@harker.com

Thanks in advance
Robert Harker
Harker Systems
530-887-9990