You sent one email to one company. Your tracker says 47 opens. Did anyone really read it 47 times?
Almost certainly not. In a case like this, a handful of people read it and machines did the rest. That's not a bug in your tracker. It's how basic open counting works, and it's why raw open numbers on B2B lists usually run well above real reads.
Where do the extra opens come from?
Machines. Most inflated opens on a B2B email come from software that touches your message before a human ever sees it, or instead of one.
An open gets counted when a tiny tracking image in your email loads. The catch: people aren't the only thing that loads images. Privacy features load them. Security scanners load them. Mail providers load them on the reader's behalf. A basic tracker counts every single load as a read, because it has no way to tell them apart.
Three sources cause most of the noise.
What is Apple Mail Privacy Protection doing?
It fetches your tracking pixel on Apple's servers, whether the recipient reads your email or not. So every Apple Mail recipient looks like an opener, including the ones who deleted your message without a glance.
That matters because Apple Mail is huge: it accounted for 62 percent of the opens Litmus measured in July 2026. If half your list reads mail on an iPhone or a Mac with MPP on, half your list registers an open automatically. Not because they're interested. Because Apple pre-loaded the image. There's a fuller breakdown in our glossary entry on Apple Mail Privacy Protection.
What do corporate security scanners do?
They open everything. Tools like Mimecast, Proofpoint, and Microsoft Defender open every link and image in incoming email to check for malware, and each of those checks can register as an open or a click in your tracker.
This isn't rare, especially on enterprise lists: at large companies, Omnivery found 80 to 95 percent of clicks came from scanners. And a single scanner can fire many opens and clicks within seconds of delivery. That's how the headline happens: one email, three real readers, one thorough scanner, 47 reported opens.
The tell is timing. A real person doesn't open your email two seconds after you hit send and click every link in it at once. A scanner does exactly that.
What about Gmail?
Gmail serves images through its own proxy, so Gmail opens arrive looking very similar to each other from the outside. That doesn't make them fake. Gmail fetches the image when the message is opened, so a proxy open is usually a real read.
The trap is counting. One read can produce several fetches, and if you send from Gmail, a look at your own Sent folder can fire the pixel too. Count every fetch and one reader becomes three opens. Throw them all out and you delete real readers. Both approaches get it wrong, just in opposite directions.
How wrong are your numbers, really?
How far a raw open rate runs from reality depends on your list, but on lists with many iPhone readers and enterprise inboxes it can be mostly machines.
Think about what that does to your week. You call the prospect who "opened five times" and reach someone who never saw your email. You skip the quiet thread where a buyer actually read your proposal twice. The number you use to pick your next move is pointing you at machines.
How do you find the real reads?
Grade every open instead of counting every open. Outsolvi grades each one as verified, most likely human, possibly human, or a machine (Apple Mail, link preview, scanner), using request timing, network origin, and the client's signature. Only verified and most likely human opens count. Repeat Gmail fetches within 10 minutes are grouped into one.
A weekly job checks each grading rule against replies, clicks and user corrections. The grading logic is public on our methodology page, and the scoring itself is explained on the confidence scoring feature page.
You don't have to take the grade on faith either. The Diagnose view lets you click any open and see exactly why it counted or got filtered. No black box.
What should you do this week?
Stop treating the raw count as truth. Then check where your current tool stands. Our comparison hub shows which trackers filter machine opens and which ones just count everything.
If you'd rather test with your own sends, Outsolvi is $7 a month billed yearly, with a 14-day free trial and no credit card required. Send your normal emails for two weeks and put the graded numbers next to the raw ones. The gap between those two columns is usually the whole story.