Harker Systems offers three classes on sendmail:
- Sendmail and DNS Hands-On Training
- Managing Internet Mail: Setting Up and Trouble-shooting sendmail and DNS.
- Advanced Topics In sendmail: Performance Tuning, LDAP Integration and Spam Control.
Sendmail and DNS Hands-On Training
The five-day "Sendmail and DNS Hands-On Training"
Five day "Sendmail and DNS Hands-On Training" course Fees: $2,995
Managing Internet Mail:
Setting Up and Trouble-shooting sendmail and DNS
The five-day "Managing Internet Mail" seminar covers the operation of sendmail, sendmail.cf file, rewriting rules, and debugging of sendmail, setting-up mail subdomains, DNS and MX records, sendmail 8.14, and the m4 sendmail.cf compiler
The seminar is designed for UNIX system administrators who need to configure and debug sendmail for a network of hosts which exchange mail with each other and with the Internet mail network, and for those administrators of complex electronic mail networks who must design, set up and manage mail sub-domains on a collection of corporate Intranets.
Five day "Managing Internet Mail" course Fees: $2,995
Class Dates and Cost
Course Outline
Advanced Topics In sendmail:
Performance Tuning, LDAP Integration and Spam Control
The three day "Advanced Topics In Sendmail" covers many topics of special interest for corporate, ISP, government and educational mail administrators.
Optimizing sendmail performance for:
- SMTP relays
- mailing lists
- mailbox servers
Managing multiple sendmail servers using LDAP
- Configuring sendmail to access databases and class files in an LDAP directory
- How to set-up and maintain an LDAP server using OpenLDAP
- Verifying LDAP operation and LDAP trouble-shooting
Managing spam and viruses using sendmail using the built-in tools such as:
- The check_* rulesets
- The access database
- Open relay checking
Using sendmail's new Mail fILTER (MILTER) API:
- How MILTER works
- The MILTER based MIMEDefang program to reject viruses
- The MILTER based SpamAssassin to reject spam
Three day "Advanced Topics In Sendmail" course Fees: $2,300

