Advanced Topics In sendmail: Performance Tuning, LDAP Integration and Spam Control.



Class Outline:

Performance Tuning:

Performance issues and bottle necks with sendmail

  • Selecting hardware for performance

Overall tuning strategies

  • Tuning the queue
  • Speeding up SMTP
  • Maximizing resources

Tuning sendmail for specific applications:

  • High volumes of relay mail
  • POP/IMAP servers with lots of mailboxes
  • Mailing lists with lots of recipients
  • Batched solicited bulk email

Using the new queue group features of sendmail

  • How queue groups work and what they can do
  • Prioritizing types of mail traffic
  • Efficiently processing large volumes of mail
  • Dealing with outages

LDAP Integration:

Introduction to LDAP

  • How sendmail can use LDAP to centralize database administration
  • Compiling sendmail with LDAP support

Setting up OpenLDAP server to answer sendmail LDAP queries

  • Routing mail with LASER
  • Using LDAP with sendmail 8.13 for aliases, M4 database FEATURES, and classes
  • How to maintain LDAP data

Spam Control Using Sendmail:

Overview of spam evasion techniques

  • How sendmail can filter email
  • Selectively re-enabling SMTP relaying
  • Using standard anti-spam features of sendmail
  • Filtering mail based on the message headers
  • Using anti-spam checks to label messages

Spam Control Using MIMEDefang and SpamAssassin:

  • Introduction to MIMEDefang and SpamAssassin
  • Understanding sendmail's Mail fILTER (MILTER) API
  • Filtering attachments with MIMEDefang
  • Filtering spam with SpamAssassin

Three day "Advanced Topics In Sendmail" course Fees: $2,300

Fees include the seminar, seminar notes, lunch, and refreshments.

For more information call 530-210-1101 or send email to info@harker.com

Class Dates and Cost

Course Description

Attendance is limited and payment must be received in advance.