Email Is the Last Channel You Own. And Marketers Are Ruining It With AI Slop.

Email has quietly been the best-performing channel in marketing for years, and almost nobody outside the industry talks about it because it’s not glamorous. No algorithm to game, no viral mechanic, just a list you own and a message you control completely. That ownership is exactly why it’s under threat right now, and the threat isn’t the algorithm this time. It’s us.

Open up almost any inbox and you’ll see it. Subject lines that sound suspiciously alike. Bodies that hit the same three-paragraph structure, the same em-dash-riddled cadence, the same slightly-too-enthusiastic tone. It’s AI slop, and it’s spreading through email faster than it spread through blog content, because email has a lower bar to publish and a much higher volume expectation.

Why This Is Worse Than It Sounds

You’re torching the one channel algorithms can’t take from you

Every other channel is rented. Google can change the algorithm. Instagram can change the feed. AI search can summarize your content into irrelevance. Email is different, it’s the one channel where you genuinely own the relationship, no platform stands between you and your list. That’s precisely why it’s such a shame to watch people fill it with the exact same generic, over-produced, AI-flavored content that’s failing everywhere else.

The tell is obvious to anyone paying attention. Recipients can smell AI-generated email the way you can smell a script being read over the phone. It doesn’t feel like it’s from a person, because increasingly, it isn’t, or it’s from a person who stopped trying to sound like one. And the second an email stops feeling human, the channel’s biggest advantage, actual relationship and trust, disappears with it.

The Contrarian Play

Write less. Write like a human. Send less often.

My honest opinion: the winning move right now is deliberately unfashionable. Lower frequency. Genuinely human-written copy, imperfections and all. Fewer, better emails instead of an aggressive drip sequence optimized purely on open-rate benchmarks that everyone else is also optimizing for, which just means everyone’s inbox looks and sounds the same.

I’d rather send one email a month that reads like an actual person wrote it in one sitting, typos and all, than four a week that read like they came out of the same template as every competitor’s newsletter. One builds trust. The other trains your list to stop opening anything from you at all.

What To Actually Do

Practical moves, not just vibes

• Use AI for research and structure if you want, but write the actual copy yourself, or heavily rewrite it until it sounds unmistakably like your own voice.
• Cut your send frequency and watch what happens to engagement. Most lists are over-emailed, not under-emailed.
• Say something specific in every email. A real opinion, a real result, a real story. Generic value-add content is the fastest way to train recipients to skim and archive.
• Read your own email out loud before sending it. If it sounds like it could’ve been sent by literally any other brand in your industry, rewrite it.

Quick Answers

A few direct questions, answered directly

Is AI-generated email marketing effective?
Increasingly less so. As AI-written email becomes common, generic-sounding copy is more easily recognized by recipients and tends to underperform genuinely human-written, specific content.

How often should you send marketing emails?
There’s no universal number, but many lists are over-emailed with generic content. Lower frequency paired with higher quality, more specific content often outperforms high-frequency generic sends.

Why is email still considered a top marketing channel?
Because it’s an owned channel, not rented from an algorithm or platform. The relationship and audience belong directly to the sender, unlike social or search visibility.