Terms of Service

By downloading, installing, or running Postline, or by using postline.dev, you agree to these terms. If you do not agree, do not use the program. The privacy policy is part of this agreement.

Postline is a terminal mail client. It talks to Google’s Gmail API from your machine so you can read, search, triage, and send mail in your terminal. Source is published at GitHub and licensed under the MIT License, which is the license that governs the code itself. These terms sit alongside that license; they do not replace it.

Signing in is optional for demo mode and required to reach your Gmail. When you sign in, you authorize Postline to call Google APIs on your behalf using the permissions described in the privacy policy. Your use of Gmail remains subject to Google’s terms and the Google API Services User Data Policy, including the Limited Use requirements.

Postline’s use and transfer of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements. Mail is fetched only to display it to you and to perform the actions you take in the client. It is not used for advertising, is not sold, and is not transferred to anyone else.

You are responsible for the machine you run Postline on, for keeping the binary and your operating system reasonably up to date, and for the messages you send. Do not use Postline to send spam, to access anyone else’s account without permission, or to violate the law. You may run only the official binaries, or a build you make from the published source.

Postline is provided “as is”, without warranty of any kind, as the MIT License already states. We do not promise that it will be available, error-free, or compatible with every terminal or future change to Google’s APIs. You use it at your own risk.

To the fullest extent permitted by law, the authors and copyright holders are not liable for any damages arising from your use of Postline or this website, including lost mail, lost data, or inability to access your account. Some places do not allow these limits, in which case they apply only as far as the law allows.

You can stop using Postline at any time. Running postline --logout removes stored tokens and cached mail from your machine. Revoking access in your Google account takes effect even if the program is still installed. We may stop distributing builds or change these terms; continued use after a change posted here is acceptance of the new terms.

postline.dev is a static site. It is not the mail client. The installer it serves is the script in the public repository. Do not treat a copy of that script from anywhere else as ours.

Questions about these terms can be opened as an issue on the Postline repository.