Install mail-stack-delivery by entering the following commands in the terminal:
sudo apt update sudo apt install mail-stack-delivery
Description:
mail server delivery agent stack provided by Ubuntu server team
Ubuntu's mail stack provides fully operational delivery with safe defaults and additional options. Out of the box it supports IMAP, POP3 and SMTP services with SASL authentication and Maildir as default storage engine. . This package contains configuration files for dovecot. . This package modifies postfix's configuration to integrate with dovecot
Homepage: http://dovecot.org/
Version: 1:2.2.33.2-1ubuntu4
Section: mail