Guardrails for Gmail and Google Inbox is a productivity chrome extension. it's a free extension , it has 10 active users since released its first version, it earns an average rating of 0.00 from 0 rated user, last update is 3262 days ago.
One of my biggest fears when sending an internal email is that I might mistakenly send it to folks outside the company. Guardrails for Gmail and Google Inbox is a lightweight browser extension that fixes that. Guardrails will give you a heads up when you're sending an email to folks outside your organization or mixing external people in with internal contacts. It'll also give you some peace of mind when you're only talking to people in your own organization. This extension is open sourced at https://github.com/michaelschade/guardrails.
You could download the latest version crx file or older version files and install it.
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You could find more help information from guardrails for gmail and google inbox support page.
You could send emails to publisher, or check publisher's website.
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