Is Close CRM Tracking Your Email? How to Block It

If you have ever wondered why a sales rep seems to know exactly when you read their pitch, Close's tracking pixel is a likely reason — and it is worth understanding what it collects before deciding whether to let it keep collecting it.

Key Takeaways

• Close CRM tracks email opens by default for every email sent through the platform, using a tracking pixel embedded in the message body.
• The setting lives at Settings, then Communication, then Email, meaning tracking is opt out for the sender, not opt in, and invisible to the recipient either way.
• Close is used by more than 11,500 sales teams, many of them small and scaling teams that email prospects and customers directly from Gmail style workflows.
• Gblock blocks Close's tracking pixel before it fires, so the sender's dashboard shows no open event while your inbox looks and behaves exactly the same.

What Is Close CRM?

Close is a sales CRM built for teams that spend their day calling, emailing, and texting prospects rather than managing a heavyweight enterprise pipeline. It bundles a built-in phone dialer, email, SMS, pipeline management, and automated workflows into a single dashboard, along with an AI sales agent called Chloe that can call leads and log activity automatically. Close markets itself to founders and small or scaling sales teams as a faster, less bloated alternative to Salesforce, Pipedrive, and HubSpot — one customer is quoted on Close's own site as saving over $100,000 in tech costs after switching from Salesforce.

That positioning matters for recipients because Close's customer base skews toward smaller companies and solo founders who email prospects directly, often from an inbox that looks and feels exactly like a normal Gmail message. There is no obvious branding or CRM watermark to tip you off. To understand how these tools intersect with Gmail specifically, see our guide to email tracker Chrome extensions.

Does Close CRM Track When You Open Emails?

Yes. According to Close's own help documentation, the platform tracks the opens of any email you send from within Close, and this is controlled by a checkbox under Settings, Communication, then Email, meaning it ships active unless the sender turns it off. The mechanism is a standard tracking pixel: a tiny, invisible image embedded in the body of the email. When you open the message and your email client loads images, it requests that pixel from Close's servers, and the request itself is what logs the open.

Close's documentation is candid about the pixel's limitations. Some email clients block remote images automatically, which suppresses the tracking signal. Some clients cache the image locally after the first load, so repeat opens do not register. And some clients prefetch images for offline reading, which can log an open before a human has actually read the message. Close even tells its own users to treat reply rates as a more reliable signal than open tracking for exactly this reason. None of that changes what happens on your end — the pixel still fires and the attempt to track you still happens, regardless of how reliable Close warns its customers the data is.

What Does a Close CRM Sender See About You?

When you open a tracked email, the sender sees a visual open indicator next to the message inside their Close dashboard. Hovering over that indicator reveals the email address that opened it, the timestamp of the open, and how many times the message was opened. Close's documentation does not describe click tracking on links inside emails, which puts it a step behind CRMs like Pipedrive that log both opens and link clicks — but the open data alone is still a real signal about your behavior, delivered without your knowledge or consent.

That open timestamp becomes part of the sender's workflow. A founder or rep who sees you opened their email at 9:03 a.m. knows you are at your desk and reading, which shapes exactly when they call or send a follow up. If you open it three times over two days, that repeat open pattern reads as interest or hesitation — a behavioral inference drawn entirely from a pixel you never agreed to load.

How Do I Stop Close CRM From Tracking My Emails?

If you are the one sending email through Close, you can turn off tracking yourself by going to Settings, Communication, then Email and unchecking the open tracking option — but that only helps if you are the sender. Most people reading this are on the receiving end of a Close-tracked email with no access to that setting at all. For recipients, there are three realistic options.

• Gblock: Intercepts Close's tracking pixel request before it reaches Close's servers, so the sender's dashboard never logs an open. Legitimate images in the email still load normally, and no per sender configuration is required — Gblock blocks Close's tracking domains along with 200+ other trackers automatically.
• Disable remote images in Gmail: Go to Gmail Settings, then General, then Images, and choose "Ask before displaying external images." This stops the pixel from loading, but it also blocks every image in every email until you manually approve it each time — a real usability cost for newsletters and inline photos.
• Apple Mail with Mail Privacy Protection: If you read your Gmail account through Apple Mail on iOS or macOS, Apple's Mail Privacy Protection prefetches all images through Apple's proxy before you open a message, masking your IP and firing the pixel at a randomized time. This only applies inside Apple Mail — it does nothing for Gmail in Chrome, Firefox, or Safari on the web.

For the full breakdown of these approaches and more, see our complete guide on how to block email tracking in Gmail.

Close CRM Tracking Blockers Compared: Gblock vs. Ugly Email vs. PixelBlock vs. Trocker vs. Proton vs. HEY

Several tools claim to stop CRM tracking pixels like Close's, and it is worth being honest about what each one actually does rather than treating them as interchangeable.

• Ugly Email: A free Gmail extension that flags tracked messages with an eye icon so you know a pixel is present before you open the email. Useful as a warning system, but it does not always block the pixel outright, and its detection depends on how current its tracker list stays.
• PixelBlock: Takes a blocking first approach in Gmail and marks blocked attempts with a red icon. It has gone through stretches of inconsistent maintenance, so coverage of newer or less common trackers like Close's can lag behind.
• Trocker: The most feature rich of the free options — it blocks pixels, flags tracked links, and works in webmail clients beyond Gmail. A solid choice if you split your reading across multiple mail providers.
• Proton Mail: Blocks remote content and tracking pixels by default at the client level, which is effective, but it requires migrating your email to Proton's own service rather than protecting the Gmail account you already use.
• HEY: Built in "Spy Pixel Blocked" detection that screens tracking pixels automatically, but like Proton it is a full email client switch, not a Gmail add on — you would need to leave Gmail behind to get it.
• Gblock: Built specifically to run inside Gmail with an auto updating blocklist that covers Close's tracking domains alongside 200+ other CRMs and marketing tools, plus tracking link stripping so links route to their real destination instead of a tracking redirect. You keep using Gmail exactly as you do today — nothing to migrate, nothing to maintain.

None of these tools are bad choices, and Ugly Email, PixelBlock, and Trocker are all reasonable free options if Close is the only tracker you are worried about. Where Gblock differs is breadth and upkeep: it is built to keep pace as CRMs like Close change their tracking domains, without requiring you to switch email providers or manually verify your blocker is still working. For a deeper dive on this comparison, see our Ugly Email vs. PixelBlock vs. Trocker breakdown.

Does Gblock Block Close CRM's Tracking Pixel?

Yes. Gblock's blocklist covers the tracking infrastructure Close uses to deliver its open-tracking pixel. When a Close-tracked email lands in your Gmail inbox, Gblock intercepts the pixel request before it fires, so Close's servers log nothing and the sender's dashboard shows the email as unopened. Everything else about the email stays intact — legitimate images load, links work, and the message looks completely normal on your end. The only thing missing is the surveillance layer riding along inside it.

Gblock's blocklist updates automatically as tracking domains shift, which matters for a tool built on top of a newer, faster-moving CRM like Close. You do not need to check whether your blocker still recognizes Close's pixel months from now — that upkeep happens in the background. If you are also evaluating Close's competitors, our guide on whether Pipedrive is tracking your email covers a comparable CRM with even broader tracking, including link clicks.

The Bottom Line

Close CRM's open tracking is a documented, deliberate feature aimed at helping sales teams follow up faster — not a hidden exploit. But it ships on by default, and the people whose reading habits it logs are never told it is happening or given a way to opt out from their side. Blocking the pixel does not stop you from replying to a real email; it just removes the silent readout of when, and how many times, you read it first.

Sources: Close's email tracking help documentation and email deliverability guide, and Close's product site.