Install yahoo2mbox by entering the following commands in the terminal:
sudo apt update sudo apt install yahoo2mbox
Description:
Retrieve and store Yahoo! Groups messages
yahoo2mbox is a small Perl script which retrieves all messages from a mailing list archive at Yahoo! Groups and stores them into a local file in MBOX format.
Homepage: http://www.tt-solutions.com/en/portfolio/yahoo2mbox
Version: 0.24-2
Section: universe/utils