How often should you email? Until the signals tell you to stop.
Everyone wants a magic number for send frequency. There isn't one, but there is a clear signal that tells you when you've gone too far, and most brands stop well before they hit it. Here's how to set cadence by the numbers and build a calendar that grows revenue without burning your list.
There's no magic number. Keep adding sends to your engaged audience as long as unsubscribes, spam complaints, and open rates hold; the moment they slide, you've found that segment's ceiling.
The benchmark isn't a number, it's a trend
Most ecommerce brands under-send. The instinct to "not annoy people" leaves real revenue on the table. The honest benchmark is this: keep adding sends to your engaged audience as long as unsubscribes, complaints, and open rates hold. The moment those start sliding, you've found your ceiling for that segment. Send by the signals, not by a number someone quoted you, and you'll usually land higher than you expected.
Don't only show up to discount
Frequency only works if the email is worth opening. A calendar that's all promotions trains people to wait for the next sale and ignore everything else. The brands that earn more frequency mix promotional sends with evergreen, brand-building email: stories, education, and reasons to care that aren't a coupon. That balance is what lets you send more often without your engagement, or your margins, paying for it.
A calendar is a series of decisions made in advance
A good email calendar maps your promotional moments, launches, and seasonal beats against your always-on flows, so "what do we send this week?" stops being a scramble. The hard part isn't the grid, it's deciding what's worth sending. The free Klaviyo audit reads your history and recommends what to send next, ranked by what it's worth, with each email built and ready, so your calendar fills with decisions instead of blank cells.
Is it safe to connect Klaviyo?
- Read-only. It can read your campaign and flow performance. It cannot send, edit, or delete anything in your account.
- No customer data stored. It works from your metrics, not your subscriber list. Names, emails, and phone numbers are never stored.
- Nothing ships without you. Built emails land as drafts for your review; nothing is pushed to Klaviyo on its own.
- Built by an operator. David Refaeli-Berman ran enterprise email at Chewy, Amazon, Overstock, and Bed Bath & Beyond.
Questions
How often should I send marketing emails?
There's no universal number, and most ecommerce brands under-send rather than over-send. Instead of chasing a fixed count, send as often as your engaged subscribers stay engaged: keep adding sends while opens hold and unsubscribes and complaints stay low, and ease off when they start to slip. That ceiling is usually higher than people expect, and it's specific to your list rather than a rule of thumb someone quoted you.
Can I send too many emails?
Yes, but the symptom isn't a number, it's a trend. Watch unsubscribes, spam complaints, and falling open rates on your engaged segment. If those climb as you add sends, you've crossed the line for that audience. If they hold steady while revenue rises, you have room to send more. Send by the signals, not by a rule of thumb.
What is an ecommerce email calendar?
It's a plan for what you'll send and when, usually mapped to your promotional calendar, product launches, and seasonal moments, with your always-on flows running underneath. A good calendar balances promotional sends with evergreen, brand-building email so you're not only in the inbox to discount. It turns 'what do we send this week?' from a scramble into a decision you made in advance.
How does EmailStrategist help me plan a calendar?
EmailStrategist reads your Klaviyo history read-only and recommends what to send next, ranked by what it's worth, with the email built and staged as a draft. Instead of a blank calendar, you get a prioritized sequence grounded in your own data, so cadence becomes a series of clear decisions rather than a guess.
Fill your calendar with sends worth making.
A free audit ranks what to send next, so cadence becomes a decision, not a guess.
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