211.1 - Using e-mail servers

Weight: 4

Description: Candidates should be able to manage an e-mail server, including the configuration of e-mail aliases, e-mail quotas and virtual e-mail domains. This objective includes configuring internal e-mail relays and monitoring e-mail servers.

Key Knowledge Areas:

Configuration files for postfix

Basic TLS configuration for postfix

Basic knowledge of the SMTP protocol

Awareness of sendmail and exim

Terms and Utilities:

Configuration files and commands for postfix

/etc/postfix/

/var/spool/postfix/

sendmail emulation layer commands

/etc/aliases

mail-related logs in /var/log/