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HEY Email Privacy Proxy

HEY email stops spy pixels and prevents user IP tracking by proxying all HTML email images, fonts, and external assets.
37signalshey.com
Preview

What is HEY Email Privacy Proxy?

HEY Email Privacy Proxy is 37signals's link preview bot. HEY email stops spy pixels and prevents user IP tracking by proxying all HTML email images, fonts, and external assets.

HEY Email Privacy Proxy controls how your links look when they are shared. Rich previews drive clicks across social and messaging platforms, and clean preview metadata also helps AI systems parse your pages. Allowing it keeps your content looking polished wherever it appears.

Like any automated client, HEY Email Privacy Proxy consumes crawl budget and appears in your server and CDN logs. Reviewing those logs alongside your robots.txt rules helps you keep automated traffic deliberate and easy to reason about.

Want to see every AI bot hitting your site? Promptwatch turns your server and CDN logs into a live view of AI crawler and agent traffic, so you can watch ChatGPT, Claude, Perplexity, Gemini, and others crawl your pages and connect those visits to real citations and revenue. Learn more in AI crawler logs.

See every AI bot hitting your site

Promptwatch turns your server and CDN logs into a live view of AI crawler and agent traffic. Watch ChatGPT, Claude, Perplexity, Gemini, and more crawl your pages in real time, see exactly what they take, and connect every crawl to the citations and revenue it drives.

How to handle HEY Email Privacy Proxy

You will usually want HEY Email Privacy Proxy allowed so shared links render rich previews. Block it only if you do not want preview cards generated for your pages.

To control HEY Email Privacy Proxy, add a rule for its user agent to your robots.txt:

User-agent: hey.com
Disallow: /

37signals does not publish a robots.txt commitment for HEY Email Privacy Proxy, so confirm how it behaves by watching your access logs.

Examples

  • When a user shares a link, HEY Email Privacy Proxy fetches the page's Open Graph tags to build a rich preview card.
  • A team adds Open Graph and image metadata so HEY Email Privacy Proxy renders an attractive preview for shared URLs.

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Frequently asked questions about HEY Email Privacy Proxy

Learn about AI visibility monitoring and how Promptwatch helps your brand succeed in AI search.

HEY Email Privacy Proxy is operated by 37signals. It functions as 37signals's link preview bot.

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