Verry slingshot webmail

You're looking for a very simple and lightweight webmail solution, similar to a slingshot!

Here are a few options that might fit the bill:

1. SquirrelMail: A free, open-source webmail client that's easy to set up and use. It's lightweight, customizable, and supports multiple languages.
2. Roundcube: Another popular, open-source webmail client that's known for its simplicity and ease of use. It's highly customizable and supports multiple languages.
3. Rainloop: A modern, lightweight webmail client that's designed to be fast and easy to use. It's free, open-source, and supports multiple languages.
4. Mailpile: A free, open-source webmail client that's designed to be fast, secure, and easy to use. It's a great option for those who want a simple, no-frills webmail experience.

All of these options are relatively lightweight and easy to set up, making them great choices for a simple webmail solution.