Mailman is a Python mailing list manager that’s really old, stable, and works very well, hence the extreme popularity. It hooks into a mail server (like Postfix, Exim, Sendmail, Qmail etc) and manages lists that the mail server will then handle delivery for.
command | what it does |
change_pw | changes passwords for a list admin |
list_admins | lists all the list owners |
list_lists | shows what lists are on this server |
list_members listname | lists all the members of a list |
newlist whateverlistname | creates a new list |