Install courier-pop by entering the following commands in the terminal:
sudo apt update sudo apt install courier-pop
Description:
Courier mail server - POP3 server
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, TLS, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework. . This package provide the POP3 daemon for Courier. It only supports email stored in the Maildir format. . POP3 over TLS is handled by the regular POP3 daemon from in conjunction with the TLS wrapper.
Homepage: http://www.courier-mta.org/
Version: 0.78.0-2ubuntu2
Section: universe/mail