SeventyMail
The mail.seventylabs.ch website and the SeventyMail extension are published by Seventy Labs, Sion, Switzerland.
SeventyMail is an extension for the Thunderbird email client. It translates, corrects and rewrites emails using AI models (Claude by Anthropic, ChatGPT by OpenAI), called through the Seventy Labs server.
Thunderbird is a trademark of the Mozilla Foundation, Claude of Anthropic PBC, ChatGPT of OpenAI, Outlook of Microsoft. Seventy Labs is not affiliated with any of them.