Postfix
Mail Server with Postfix, Dovecot
Building a Postfix mail server on CentOS 7.
Steps
01. Server Configuration and design
02. Getting certificates for mai mail servers from Let's Encrypt
03. Installing MariaDB and creating the database
04. Installing Postfix 3.2
05. Configuring Postfix
main.cf
master.cf
virtual directories
virtual maps
06. Installing …