Category: Linux administration
Designing and deploying an efficient e-mail delivery system based on the Exim MTA. Course participants learn about configuring and managing Exim both as a standalone server (authorization using system accounts and external databases, various virtual domain setups) and as a gateway for a Microsoft Exchange server. Advanced state-of-the-art spam- and virus-fighting techniques are discussed (bayesian filters, DKIM, OpenSPF, selective greylisting, verification at early stages of SMTP conversation).
During the course participants get hands-on experience as they configure a working mail server that mimics real-world SMTP operation.
Duration
2 days
Agenda
- Exim
- architecture, installation, configuration
- message delivery process, manual control, testing, performance analysis
- command-line tools
- Exim query language, adjusting the system for particular needs
- filter specification
- additional ACLs at various stages of processing
- virtual domains and accounts, various ways of storing them (system, files, databases, LDAP directories)
- authorization methods (authenticators, SASL)
- limits and quotas
- connection encryption
- Intergrating Exim with anti-spam and anti-virus systems on early stages of processing
- SpamAssassin – theory, configuration, training
- sa-exim
- ClamAV
- SPF – creating records
- server configuration for complex setups
- information sharing between mail servers
- greylisting issues and their solutions
- Setting up a complete, secure e-mail infrastructure using Exim and Dovecor (IMAP, POP3), monitoring its performance
- Using Exim as an anti-spam gateway for a Microsoft Exchange server
Audience and prerequisites
This course targets Linux system and network administrators.
Participants are expected to be familiar with Linux and TCP/IP networks on an intermediate level.
Certificates
Course participants receive completion certificates signed by ALX.
