The Email Open Quality Problem

Does your ESP know which email opens came from people?

Nearly 50% of reported email opens may be machine-generated. If your ESP cannot separate them from real customer engagement, your marketing budget, segmentation and deliverability may all be working from the wrong signal.

An open was recorded. But did a person actually open?

Machine opens Human opens Engaged
Audience
Your ESP may treat both as customer intent.
Scroll
The Cost

You may be paying to retarget customers who never opened.

1
Machine email open recorded
2
User marked as engaged
3
Added to retargeting audience
4
Paid media activated
5
Marketing dollars spent
6
No real customer intent existed

False engagement creates real marketing waste.

Retargeting Waste

Paid media follows users who never actually engaged.

Wrong Segments

Machine activity pushes customers into high-intent audiences.

Misleading Performance

Inflated email opens make weak campaigns appear healthier than they are.

A smaller verified audience can be more valuable than a larger false one.

Without Segregation
  • Larger audience
  • Inflated engagement
  • More retargeting spend
  • Lower audience quality
  • Weak conversion efficiency
With Segregation
  • Verified human audience
  • Cleaner targeting
  • Less wasted media spend
  • More reliable optimisation
  • Better campaign economics

Do not optimise for the largest audience. Optimise for the real one.

Try it yourself
Reported engaged users20,000
Minus estimated machine email opens−9,000
Verified human audience11,000

An illustrative model to explore the idea — adjust the sliders. Not a reported statistic.

The Deliverability Risk

False email opens can hide the users quietly hurting your deliverability.

Machine email open recorded
Inactive user appears engaged
User remains in active sending segments
More emails continue to be sent
Real engagement remains low
Negative engagement signals accumulate
Sender reputation weakens
Inbox placement declines

Machine email opens do not only distort reporting. They can keep genuinely inactive users on your sending list and quietly damage deliverability over time.

Inactive Users Stay Active

False email opens prevent natural suppression and re-engagement decisions.

Engagement Signals Weaken

You continue mailing users who are not demonstrating human interest.

Inbox Placement Suffers

Poor real engagement can eventually affect sender reputation and visibility.

How It Works

One email open rate. Two very different signals.

1
Email sent
2
Open analysed
3
Machine email open separated
4
Human email open verified
5
Better decision
01

Email sent

The campaign leaves your ESP and reaches the recipient's mailbox provider.

02

Open event detected & analysed

An email open signal fires — from a scanner, a proxy, or an actual person — and is examined for the patterns that separate automated activity from human behaviour.

03

Machine email open separated

Automated activity is identified and set aside from genuine engagement.

04

Human email open verified

What remains is treated as real, verified customer engagement.

05

Correct segment, better decision

Audiences, journeys, budget and timing decisions follow the verified signal — not the raw open count.

Detect

Identify the signals associated with each email open.

Separate

Segregate machine activity from genuine human engagement.

Act

Use verified human email opens for targeting, journeys and reporting.

Your ESP reports the email open. Can it verify the person?

Traditional ESP
Netcore
Detects an email open event
Identifies machine-generated activity
Counts machine activity
Separates human and machine email opens
Marks the user as engaged
Creates cleaner engagement segments
Triggers journeys
Improves journey decisions
Builds audiences from mixed signals
Supports more accurate reporting
Reports an inflated email open rate
Helps marketers act on verified human intent

The value is not in detecting another email open. It is in knowing which opens should influence your next decision.

Self-Assessment

Is your current ESP giving you enough information?

Does your ESP separate machine email opens from human opens?

Can it tell you which customers actually engaged?

Or is it counting automated activity as customer intent?

Do you use email opens to create engaged-user segments?

Do email openers enter paid media retargeting audiences?

Do email opens trigger lifecycle journeys?

Are email open rates significantly higher than clicks?

Can your ESP show machine and human email opens separately?

Are inactive users being retained because they appear to open emails?

0 / 6 answered

Your Move

Stop optimising campaigns on email opens your ESP cannot verify.

Separate machine activity from human engagement before it shapes your next audience, journey or media decision.

Your ESP says they opened. Do you know whether they did?