Is a powerful web based mail list manager. It will meet most of your needs for handling any size mailing list.
indexsoft Site-UP is a multilingual web based file manager with build-in WYSIWYG editor. With help of Site-UP you can easy support your website using only a computer connected to the Internet and browser.
The powerful web-based manager of .htpasswd, .htgroups and .htaccess files. It gives you easy management and control over all the restricted directories on your web-site, including managing access rights for all users, groups and hosts.