mailman/files/mailman.conf

Alias       /icons/     "/usr/lib/mailman/icons/"
Alias       /pipermail/ "/var/mailman/archives/public/"
ScriptAlias /mailman/   "/usr/lib/mailman/cgi-bin/"

<Directory "/usr/lib/mailman/cgi-bin">
    Options Indexes FollowSymLinks ExecCGI
    AllowOverride None
    Order allow,deny
    Allow from all
</Directory>

<Directory "/usr/lib/mailman/icons">
    Options Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
</Directory>

<Directory "/var/mailman/archives">
    Options Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all
</Directory>