We looked at 3,200 outbound email sequences sent through customer accounts in 2025. The goal was simple: figure out what cadence patterns actually produced replies, and which ones just produced opens and unsubscribes.
Open rates lie. Apple Mail Privacy Protection inflates them. We threw open-rate data out and looked only at reply rates and meeting-booked rates from sequences with at least 200 recipients.
Caveats up front. This is SMB outbound, mostly B2B software and services, mostly North America and Western Europe targeting. If you sell to procurement at Fortune 500s or run e-commerce abandoned cart, your numbers will look different. Take the directional points, not the absolute numbers.
Headline numbers
Median reply rate across all 3,200 sequences: 4.1%.
The top quartile of sequences hit 9.2% reply rates. The bottom quartile sat at 1.4%. Same tools, same export markets, same sender reputations. The cadence and content explained most of the gap.
Touch count: 5 is the sweet spot
Reply rate by total touches in the sequence:
- 3 touches: median 2.6% reply rate
- 5 touches: median 4.4% reply rate
- 7 touches: median 5.1% reply rate
- 9+ touches: median 4.8% reply rate, but unsubscribe rate doubles vs. 5-touch
The marginal value of touches 6 and 7 is positive but small. Past 7, you are buying replies with unsubscribes and brand damage. We recommend 5 touches as the default starting point.
The exception: high-value enterprise prospecting where you have done research and each message is hand-customised. There, 9-12 touches over a longer cadence (8-12 weeks) outperforms shorter sequences.
Day gaps: stop sending every other day
The most common cadence we see is "every 2-3 days." It is also among the worst-performing.
Reply rate by gap pattern between touches:
- 2-2-2-2 (every 2 days): 3.1%
- 3-4-5-7 (lengthening gaps): 4.6%
- 1-3-7-14-21 (Fibonacci-ish): 5.3%
Lengthening gaps win. The intuition: the first 1-2 messages catch people who are immediately available. After that, you are not waiting for them to read your email, you are waiting for their situation to change. Two days is not long enough for anyone's situation to change.
Message length: 50-90 words for touches 1 and 2
Touch 1 length vs. reply rate:
- Under 50 words: 3.8%
- 50-90 words: 5.2%
- 90-150 words: 4.1%
- Over 150 words: 2.4%
There is a sweet spot. Under 50 words feels like a placeholder. Over 150 reads like a sales pitch. 50-90 words gives you room to state who you are, why you are emailing this specific person, and what the next step is.
By touch 4-5, shorter wins. "Did this miss you?" outperforms a re-pitch every time.
Subject lines: the boring ones win
We looked at subject line patterns on touch 1. Plain, lowercase, conversational subjects ("quick question about [their company]") outperformed branded or value-prop subjects ("introducing [your product]") by roughly 1.5x in reply rate.
The single highest-performing pattern was a subject line that referenced something specific to the recipient's company (a recent hire, a product launch, an article they wrote). These hit 7.4% median reply rates. The cost: they cannot be templated, so they only work at lower volumes.
What did not move the needle
Three things that the sales-tools blogosphere tells you matter, that did not show up in our data:
Send time of day. Statistically indistinguishable across Tuesday 9am, Wednesday 2pm, Thursday 11am. Send when you can support replies, which usually means morning your prospect's time.
Video embedded in email. 0.3 percentage point uplift on touch 1, statistically borderline. Not worth the production overhead unless you are already making the videos.
Personalisation tokens beyond first name and company. First name + company beats nothing. Adding job title, industry, or city did not produce reliable lift, though it did increase the time to send the sequence.
What this means for your sequences
A reasonable baseline outbound sequence based on this data:
- 5 touches, gaps of 1, 3, 7, 14, 21 days
- Touch 1: 60-80 words, conversational subject line, ends with a yes/no question
- Touch 2: 50-70 words, references touch 1, offers a small piece of value (a relevant case study or specific stat)
- Touch 3: 30-40 words, "still interested?" tone
- Touch 4: 40-60 words, fresh angle (different pain or different stakeholder)
- Touch 5: 20-30 word break-up email
Build this, send it for a month, look at the reply rate. If you are above the 4.1% median, you are doing fine. Below 2.5% and your list or your value proposition is the problem, not the cadence.