If you would like a secure Kastler.net email address, they are available for free. There is a web-based interface, as well as the ability to add the email address to any email software. A new interface was released in 2020, which brings a fresh modern look to the webmail system. There’s built-in anti-spam and anti-virus that can be adjusted to fit your needs. Please contact me via the contact form to request your email address and we’ll get you set up. You are currently able to get @kastler.net, @kastler.fr, @kastler.ch, or @kasteler.de.