This is the LMLM Distribution. LMLM stands for "List of Mailing Lists Manager" and is a framework to render descriptions of mailing lists of variable kinds.
The LMLM homepage is: https://metacpan.org/release/Mail-LMLM
For more infromation consult the Mail::LMLM POD document on your system, or look at the Iglu example under examples.
Shlomi Fish, http://www.shlomifish.org/ .