Instiq

4Email services

Practice questions →Glossary →
  • 4.1Configuring and Managing Postfix

    Learn how Postfix (an MTA) is configured: the split between /etc/postfix/main.cf (runtime parameters) and master.cf (service/daemon definitions), address rewriting via /etc/aliases, the queue layout under /var/spool/postfix/, checking logs, SMTP authentication (SASL) and TLS encryption, the basics of the SMTP protocol, and where exim fits as an alternative MTA.

  • 4.2Configuring and Managing Dovecot

    Learn to configure Dovecot (an MRA, mail retrieval agent): the configuration layout under /etc/dovecot/ and dovecot.conf, the verification command doveconf, the administration command doveadm, the difference between POP3 and IMAP, and encryption via TLS.