My email open rates keep dropping. What do I do?

Because the open was never a behavior; it was a tracking pixel loading, and the machinery around that pixel changed under everyone's feet. Privacy features in major email clients now pre-fetch images on the server, registering opens nobody performed, while other filters strip or delay the pixel, hiding opens that happened. The same list, the same emails, and the reported number can drift either direction as client market share shifts.

What this means practically:

• Trends are noise until proven otherwise. A drifting open rate reflects your subscribers' mix of email clients as much as their interest.
• Comparisons across time mislead: your 2021 baseline was measured with a different instrument than today's number.
• Decisions made on opens compound the error: resending to 'non-openers' who actually read you, pruning 'cold' subscribers who open invisibly.

The replacement instruments are behaviors: replies, clicks, unsubscribes, and forwarding, each an action a human chose. They run smaller and truer, and every one of them survives whatever the next privacy change does to pixels. Calibrate on those, and the panic about the drifting open number usually resolves into a much more specific, fixable picture.

Volume and sameness, together. AI collapsed the cost of producing email, so everyone produces more of it, and most of it draws from the same generative well: competent, warm-ish, position-free prose that readers have learned to recognize and skim past. Harvard Business Review documents the broader 'workslop' flood, and research in Science Advances measured the underlying convergence, AI-assisted writing drifting toward mutual sameness.

The reader's adaptation is rational triage:

1. The noticed tier: a handful of senders whose emails get opened on name recognition alone, because the reader would miss them.
2. The someday tier: content that seemed worth keeping, archived unread, forever.
3. The reflex tier: everything with template energy, deleted or filtered on sight, including much of what the sender's dashboard counts as delivered.

Every email you send is competing for tier one, and the competition is not other experts in your field; it is the reader's finite willingness to choose. The senders holding or growing engagement in this environment share one property: their emails are recognizably from someone, carrying a voice and a stance the reader could not get from the flood. Distinctiveness became the deliverability that matters.

By treating decay as maintenance rather than tragedy. Lists rot at a steady rate, addresses churn, interests move on, and a list never pruned accumulates dead weight that damages the living part:

1. Prune on behavior, not opens. Subscribers with no clicks, replies, or site visits across several months are gone regardless of what the pixel claims. A goodbye sequence, one honest 'still want these?' email, then removal, converts a vanity number into a working asset.
2. Expect the metrics to jump: every real rate improves when the denominator stops including the departed, and mailbox providers read the higher engagement as sender quality, which lifts inbox placement for everyone remaining.
3. Fix the intake while you are there: subscribers arriving from a clear promise, what you write about, how often, in whose voice, stay engaged; subscribers harvested by generic magnets churn immediately. The list's health is set at the front door.
4. Own the channel's purpose: the list is the audience you can reach without an algorithm's permission, which makes it the most valuable marketing asset you hold, worth maintaining like one.

A smaller list that reads you beats a large one that has forgotten who you are, on every metric that pays.

Three properties, none of them subject-line engineering:

1. A voice they recognize. Your emails should be identifiable with the sender line covered: your phrases, your directness, your way into a topic. In an inbox of generative sameness, a real register is the strongest open-trigger there is, because it promises the one thing the flood cannot: you.
2. A position per email: something believed, argued, or called out, not a roundup of the agreeable. Readers keep senders who help them think, and forward senders who say what others hedge. One honest stance outperforms five curated links, every time.
3. Usefulness at the reader's altitude: the judgment layer, what to do, what to skip, what actually happened when, rather than the informational layer they can generate themselves. Your email competes with free AI answers now; the winning material is what those answers cannot contain.

The production discipline that sustains all three: derive emails from your real work, this week's client pattern, the call you made, the thing you corrected, rather than composing 'content' from nothing. The substance was already earned during the week. The email just delivers it, in your voice, to people who chose to hear from you.

Only after the substance question is settled, because frequency is a multiplier on whatever the emails are. Cutting the cadence of unmissed emails just slows the decay; raising the cadence of missed ones would grow the list's engagement instead.

The honest sequencing:

1. Fix worth first. Voice, position, usefulness, until replies tell you the emails land. Frequency debates before that are rearranging deck chairs.
2. Then send at the rhythm you can sustain with substance: for most expert businesses, weekly is the sweet spot, frequent enough to stay a habit in the reader's week, spaced enough that each email has something real inside. A rhythm you can hold through busy seasons beats an ambitious one you abandon visibly.
3. Keep the rhythm honest with derivation: emails drawn from your actual work and captured material take an hour, not an afternoon, which is what makes weekly sustainable without the quality sagging.
4. Let consistency itself compound: readers calibrate to your rhythm, and reliability becomes part of the relationship, the email that always comes carries more weight than the one that sometimes does.

Watching this whole discipline practiced in public, voice, position, weekly rhythm, is part of what the Collective Wisdom newsletter is, which is also the fastest way to see whether the approach earns its opens.