The Cold Email Structure That Got a 66.7% Reply Rate (Real Case Study)

Two out of every three people who got this cold email replied to it. Not opened. Replied. Every single one of those replies turned into a booked meeting, and 64.2% of them converted. One of the 21 copies landed in our CEO’s inbox, and we answered within the hour. We get pitched every single day. We almost never answer.

In this post, I’ll break down exactly why that email worked, line by line, so you can copy the structure. Then I’ll show you the other frameworks worth stealing when a video pitch isn’t an option, plus a six-point checklist you can run every email through before you hit send.

The email came from the co-founder of Dragonfruit Media, a YouTube agency. It pulled a 76.2% open rate, a 66.7% reply rate, 100% meetings booked, and a 64.2% conversion rate. Those are not typos.

A perfect cold email structure exists. Once you know what goes where, you can rebuild your campaigns in an afternoon.

What a perfect cold email actually is

A perfect cold email has a structure that makes the recipient reply before they’ve finished reading. Every part of it does a job, and most of those jobs map to something you can automate instead of doing by hand 200 times:

• •

  Short and clear, because long emails get archived. Write it so it reads in under 15 seconds.

• •

  Personal, which is where AI-powered personalization earns its keep: it turns a lead’s bio, recent post or company news into a first line that only works for them.

• •

  Built to grab attention in the preview pane, before the email is even opened.

• •

  Friendly, written the way you’d talk to someone at a conference.

• •

  Topped with a subject line worth clicking.

• •

  Closed with one CTA, never two.

• •

  Signed off with something human. A joke works.

• •

  To the point. Cut every sentence that’s about you.

• •

  Carried by a video when the deal size justifies it.

• •

  Landing in the primary inbox, which is a deliverability job, not a copy job. No structure survives the spam folder.

Now let’s put the structure to work.

Write a cold email with our free cold email generator

If you want a skeleton before you start tweaking, our free cold email generator drafts one from your offer and your target. Treat the output as a starting point. The personalization is still on you.

The anatomy of the email that made us reply immediately

The email our CEO received was step one of a 7-step sequence. In total, 21 emails like this one went out, and each one came with its own personalized pitch video.

The goal: the agency was doubling down on direct outreach as its acquisition channel, generating leads through cold email and adding video pitches for high-value prospects.

The target: SaaS founders and expert coaches or consultants who could use YouTube to build a loyal community. Companies producing valuable content with 5k+ subscribers and at least 10 videos published, in other words the ones already using YouTube as a top-of-funnel channel.

So how did this outreach hook us from the first line? Here’s the structure, piece by piece.

1. Catchy subject line

Two things made this subject line impossible to ignore:

• •

  It carries the first name and company name, so it reads as written for one person.

• •

  It asks a question that makes the value obvious, which creates curiosity about what’s inside.

Here’s the difference in practice:

☹︎ “Partnership opportunity” (generic, sounds like every agency pitch in the folder)
☻ “{{firstName}}, an idea for {{companyName}}'s YouTube channel”

☹︎ “Quick question” (fine, but 400 other senders used it this month)
☻ “Your last video + one thing I’d change”

☹︎ “Boost your revenue with our solution” (about you)
☻ “{{companyName}} + 10k subs in 90 days?”

There are plenty of ways to write a subject line that earns the open. We put together 59 subject line templates if you want a shortcut.

2. Friendly greeting

What makes this greeting a good option?

• •

  “Hey” is informal and sets a friendly tone from the first word. It’s also the word we use with our own users, so it was a safe bet.

• •

  It’s personalized with the prospect’s name, which signals the rest of the email was written for them.

If “Hey” feels too casual for your market, “Hi” is always a good choice.

3. Personalized intro line

The icebreaker is where the connection gets built, and this one did four things at once:

• •

  It proved research had happened, by congratulating the prospect on a specific business win.

• •

  It gave genuine positive feedback on the prospect’s tool, which opens the door to a real conversation. Who doesn’t like hearing good things about their work? 😉

• •

  It showed a clear understanding of what the prospect actually does, which makes the offer feel like a fit instead of a guess.

• •

  It stayed short. Two lines, then straight into the point.

Writing that line by hand for 21 prospects is doable. For 500, it isn’t, which is why Smart messaging exists: it reads the lead’s profile and drafts the icebreaker for you, so you edit instead of starting from a blank page.

If you need more intro line inspiration, check out our How to start an email guide.

4. Video pitch

They didn’t just share an idea. They made an entire video (seriously, go watch this one).

What makes it one of the best pitch videos we’ve received? It’s 100% customer-focused. The whole thing is about the prospect’s goals and a genuine will to help, lined up with the brand’s mission statement.

Here’s why a custom video belongs in high-value cold outreach:

• •

  Videos grab attention and prove you’re willing to go the extra mile. Each one took around 30 hours to produce, which is exactly why you need to make sure you’re targetting your ideal persona first.

• •

  The video gives the prospect the feeling of a real conversation, with emotion that writing can’t carry.

• •

  In a few seconds you can land the pain point, the solution and the value, with graphics that stick in the prospect’s memory.

• •

  The personalized GIF thumbnail, built with the prospect’s own logo, teases the video and pulls the click.

Thirty hours per prospect is absurd for a $200 deal. For a pilot contract with a SaaS unicorn, it’s cheap. Pick your targets accordingly.

If you’re wondering how to create your own sales video, here’s our How to use video for sales guide.

5. Clear CTA

Why does this simple closing line work?

• •

  One call-to-action, so the prospect knows the single next step to get the value on the table.

• •

  It asks for almost nothing. A one-word reply is enough, and low effort means fewer reasons to postpone.

• •

  It keeps the casual tone, using “shoot” instead of “send”. Friendly jargon, not business jargon.

If you’re unsure which closing line will push prospects to act, grab some inspiration from our Closing line tips guide.

6. Funny sign-off

Why was this sign-off a great way to end a cold email?

• •

  If someone bothered to read your email to the bottom, “thanks” is a simple way to show appreciation.

• •

  A funny “p.s.” with an inside joke is the final personalization push. It’s what made us think “wow, they really did their homework”, which led straight to “we need to reply”.

How steps 2 to 7 should build on email #1

Only one email out of the 7-step sequence is broken down above, and that’s the one that did the heavy lifting. But a single send is never the whole story, and most of the replies you’re missing are sitting in follow-ups you never wrote.

Here’s how I’d build the rest of the sequence on top of an email like this one:

1. 1.

   Step 2 (day 3): shortest email of the sequence. Reply in-thread, link the video again, add one line of new context. “Dropped a 90-second version here if the first one was too long.”

2. 2.

   Step 3 (day 7): switch the angle. If email #1 sold the idea, this one sells the proof. One result, one client name, one number.

3. 3.

   Step 4 (day 12): go multichannel. A LinkedIn connect or a voice note does what a fourth email can’t, and it keeps your sending volume healthy.

4. 4.

   Step 5 (day 18): send something they can use whether or not they buy. A teardown, a checklist, a two-minute audit.

5. 5.

   Steps 6 and 7 (day 25 and day 35): the permission close. One sentence, no pitch, an easy “not now” option. Half the positive replies I’ve seen on long sequences come from this one.

Every step reuses the same structure: one hook, one idea, one ask.

The outcome

Open rate: 76.2%

⬇️

Reply rate: 66.7%

⬇️

Meetings booked: 100%

⬇️

Conversion rate: 64.2%

That exact email got them pilot contracts with:

• •

  one of the largest crypto exchanges in the world

• •

  a VC at a top 3 firm

• •

  a SaaS unicorn

• •

  two of their favorite non-profits

The results beat every other acquisition method the agency had tried, and they ended up hiring a full in-house editor to focus on pitch videos alone, then scaled the sends with lemlist.

One caveat, because you deserve it: these numbers come from a single campaign, in one niche, with 21 hand-built videos behind them. They are not a platform average, and they’re a few years old now. For context, our round-up of 2026 cold email benchmarks puts the average cold email reply rate at 3.43%. The structure still works. The benchmark you’re being measured against has moved, and the gap between a templated blast and a researched, personalized send is wider than it was.

Other proven cold email structures

A 30-hour video isn’t realistic for every deal, every rep or every quarter. Concede that, then pick the framework that fits the effort your deal size justifies. These four have been earning replies long before any of us started sending sequences.

AIDA (Attention, Interest, Desire, Action). Open with something that stops the scroll, make it relevant with a detail about their business, show the outcome they’d get, then ask for one thing. Best for offers people already understand.

PAS (Problem, Agitate, Solution). Name the problem in their words, make the cost of it concrete (hours lost, deals missed, budget burned), then position your offer as the fix. Best when the prospect feels the pain but hasn’t priced it.

BAB (Before, After, Bridge). Describe where they are now, describe where a comparable company got to, then explain the bridge between the two. Best for case-study-driven outreach.

The one-line ask. Three sentences total. Context, offer, question mark. Best for busy executives and for follow-ups, where length kills replies.

None of these work naked. A framework gives you the skeleton, and personalization gives you the open: GetResponse’s 2026 email marketing benchmarks put personalized emails at a 44.30% average open rate. Structure plus research, in that order.

If you’d rather start from something proven than from a blank page, our library of cold email templates has versions of all four, sorted by use case. Don’t just copy-paste them. Keep the structure, replace the specifics.

Key takeaways

So what should you hold on to if you want results like these, or better?

1. 1.

   Show, don’t tell. If you’re pitching a product or a service, demonstrate the expertise instead of claiming it. A video agency pitching with a video is the whole lesson in one line.

2. 2.

   Go the extra mile. Thirty hours per pitch video sounds insane until you see the conversion rate. Pick a small list where that math works.

3. 3.

   There’s less competition at the top. If you want outsized returns, invest in the methods nobody else is willing to do.

4. 4.

   Run every email through the same six slots. Subject line, greeting, intro, body, CTA, sign-off. When a campaign underperforms, you’ll know which slot to fix instead of rewriting the whole thing.

Your cold email checklist

Over to you

Pick one campaign you’re running right now. Open the first email, and check it against the six slots above. I’d bet the intro line fails the name test and the CTA asks for two things.

Fix those two, then build the follow-ups you never wrote.

For more tactics, grab our eBook How to write a cold email that gets replies, or join the lemlist family, where people share what’s working in their campaigns every day. The Dragonfruit crew also put together a YouTube mini-course open to any lemlister who wants to learn more about acquiring traffic from YouTube, and you can check it out here.

When you’re ready to send the structure at scale, with verified leads, personalized first lines and deliverability handled, lemlist does that part. It’s rated 4.6/5 on G2 from 2,000+ reviews.

Start a 14-day free trial. No credit card required. Full access to all features.