Install libemail-thread-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libemail-thread-perl
Description:
library providing threading for Email::Simple objects
Email::Thread is a wrapper for Mail::Thread that allows it to work with Email::Simple objects. The combination of the two libraries allows collections of Email::Simple objects to be organized into threads by References and In-Reply-To headers.
Homepage: https://metacpan.org/release/Email-Thread/
Version: 0.712-1
Section: universe/perl