Description
E-mail has probably become the most important communication medium in modern business. Therefore it is all the more
important that your email infrastructure is always working and available. With Postfix, a secure and scalable mail
server based on Linux is available, which can easily be extended with filter functions for SPAM or viruses.
Prerequisites: Experience in the administration of a Linux system.
Content
- Email Basics
- Mailserver Topologies
- E-mail protocols (SMTP, POP3, IMAP)
- Installation of Postfix
- Installation of an IMAP Server (Cyrus IMAP or Dovecot)
- E-mail directories (mbox vs. maildir)
- User administration with LDAP
- Filter functions
- Postfix own filter functions
- Greylisting with external policy servers
- Self-written external policy servers
- Amavisd-new
- SpamAssassin
- Performance Tuning (Cluster, Queue Management, RAM Disks)
- Security (TLS, SMTP-AUTH, email bombs)
- Migration (Sendmail, MS-Exchange)