Tecadmin published a tutorial about installing Dovecot on CentOS 8.
How to Install Dovecot on CentOS 8
Dovecot is an open-source service for IMAP and POP3 on Unix-like operating systems. It focused on lightweight and secure mail server available for most of the Linux operating system. This tutorial will help you to install and configure POS3/IMAP using Dovecot on CentOS 8 operating system.
How to Install Dovecot on CentOS 8