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How often should you send a newsletter, and when is that too much?

14 min readUpdated 24 October 2026

Once a month is enough to stay in your customers' memory, and twice a month is the ceiling for most small businesses. The expensive mistake is going quiet for four months, not sending a second issue in a week.

How often should a small business send email?#

Start with one finished issue a month and change it only when your own numbers tell you to. Frequency is a promise to the reader, and a promise you keep twice as often is worth less than one you keep all year.

What you are sendingStart atWhy this cadence
A shop, studio or restaurant talking to its customersOnce a monthOne issue you can be proud of beats four rushed ones, and nobody has to manage you.
A service people book, like a clinic, class or trades visitTwice a monthYour reader decides to book on a random Tuesday. Two touches a month means you are there when it happens.
A newsletter where the writing is the productWeeklyThe habit is what they subscribed to, and an irregular schedule is the usual reason a free reader turns into a paid one.
A club, HOA, school or congregationMonthly, plus an alert when something changesRoutine news on the calendar, urgent news the day it happens. Readers forgive the extra send when it saves them a trip.

Does my list size change the right frequency?#

No, and that surprises people. Frequency is a decision about your reader's patience and your own capacity, and neither of those gets bigger when the list does. A list of 200 and a list of 2,000 both tolerate one good monthly issue.

Size of your listWhat to sendWhy
Under 100 addressesMonthly, and only when you have something to sayAt that size every reader is somebody you could recognise, and a filler issue is obvious to all of them.
100 to 1,000Twice a monthEnough touches to stay remembered, and small enough that one issue a fortnight is still a job you can do properly.
1,000 to 10,000Twice a month, split by what people asked forThis is where one send to everybody starts costing you opens, because the list now contains several different readers.
Above 10,000Weekly to a warm segment, monthly to the restLarge lists always contain a quiet half. Mail the loud half more often instead of the whole list more often.

What changes with size is not the number of sends but the number of groups. A list of 10,000 mailed as one audience looks tired within a quarter. The same list split into three groups, each getting two relevant sends a month, looks healthy in every report.

Is weekly too much for a small list?#

The mailbox has no rule about weekly. It has a memory of how your readers treated the last few messages, and that is what decides where the next one lands. A weekly issue worth reading holds its open rate, and a weekly issue written to fill a slot loses readers to their own unsubscribe button.

Whether you can fill a weekly issue for six months is the honest test, and most small businesses find their answer somewhere in month two.

What happens if I send too often?#

The third one is what tricks people into sending more. A soft open looks like a tired subject line, so the sender writes harder and adds another send, while the real problem was a list that had already been asked.

What happens if I send too rarely?#

Silence costs you twice. The first cost is recognition: somebody who joined two years ago and heard nothing since does not remember why they gave you their address. The second cost is the addresses themselves, because people change jobs, abandon old inboxes and stop paying for a domain they let expire.

A list you have not mailed for six months should come back in small groups rather than one send to everybody. The first send after a long silence is the riskiest send you make, and it is the one people insist on doing at full size.

How do I restart a list that has gone quiet?#

Do it in groups, and give the receiving mailbox something to learn from. The first send after a long silence is risky because the provider has no recent evidence about you and every reader has to remember who you are from a subject line.

  1. Split the list by the date of each address's last open, most recent first.
  2. Mail the most recent group first, and wait a day to read its unsubscribe and complaint counts.
  3. Move to the next group only if the first one came back clean.
  4. Leave the addresses that have not opened in over a year until last, or drop them and say so in the next issue.
A quiet list is not a wasted list, but it is one you have to warm again rather than switch back on. The send that reaches nobody is the one where a third of the addresses have stopped existing, and a mailbox notices that before you do.

Expect a weaker number on the first send back. Silence costs recognition, and the second or third issue after that is the one that tells you what you have.

Is there a difference between frequency and cadence?#

Frequency is how many sends fit in a month. Cadence is whether they arrive in a shape a reader can predict. A list mailed on the first and third Tuesday has a cadence. The same two sends, arriving whenever the writer got round to it, has a frequency and nothing else.

Predictable cadence is worth the small effort because it changes what the reader does with the mail. Somebody who knows your issue lands on the first Tuesday leaves it where they can see it rather than deleting it to clear the inbox.

What you set upWhat a reader experiences
Two sends a month on fixed daysA habit, and one they will mention to a colleague
Two sends a month on random daysOccasional mail from a business they half remember
Six sends in one week, then a month of nothingNoise followed by absence, which is the pattern that gets reported

How do I know my current cadence is wrong?#

What you can seeWhat it usually meansWhat to change
Unsubscribes well above your usual per-send countThe last issue annoyed people, or two sends landed in one dayHold to one send, then reread the issue that caused it
Opens drift down issue after issueReaders stopped recognising youSend one plain, useful issue and judge the first 48 hours
Complaints show up at allA reader pressed report spamStop widening the list and mail only people who opened recently
Nothing moves for monthsNobody is reading, or there is nothing worth readingAsk the list one question and see who answers

Compare each send only with your own previous ones. A monthly list of your own numbers will tell you more than any published average, and it costs nothing to keep.

What do I put in each issue so it stays worth opening?#

An issue built from those four holds its open rate across a year. An issue built from a greeting and a photograph does the opposite, and the drop is easy to misread as a subject-line problem, which then gets fixed twice.

Before you schedule a send, answer one question in writing: what does the reader get from opening this that they do not get from ignoring it. If the honest answer is nothing, the send is a placeholder, and a placeholder costs you the readers who notice.

Should I send the same issue to everyone?#

One send to the whole list is the quickest way to make a sensible cadence look wrong. The people who came for your sale and the people who came for your article react to the same email differently, and the number you get back is the average of two arguments.

Split by what they asked for and each group can have its own rhythm, which is how a list carries four sends a month without anybody feeling mailed to death.

Should I keep mailing people who never open?#

Not forever, and not in one dramatic purge. A reader who has not opened in a year does you two kinds of harm: they lower the engagement a receiving mailbox measures, and they raise the odds that the send lands in front of somebody who no longer works where they used to.

  1. Count them first. The share of your list that has not opened in twelve months is one number, and it decides how careful you need to be.
  2. Send one plain email that asks, with no offer and no photograph, whether they still want the issue.
  3. Mail only the people who answer, and remove the rest from the sending list rather than from your records, so the proof of how they joined survives.
  4. Repeat the count every quarter, because a list left alone drifts quiet on its own.

Removing quiet addresses usually lifts the open rate and sometimes lowers the reach. That is the correct order of results, and it is why the percentage is the worse of the two numbers to plan around. The maths is at what is a good email open rate.

How do I plan a year of sends without running dry?#

What you scheduleWhat goes outWhat it costs you
A fixed monthly issueThe one thing that happened this monthAn hour, done on the same day each month
Seasonal sendsTwo or three a year, tied to your own tradeDecided in advance, so they never become filler
AlertsClosures, changes, urgent newsA short list you can reach fast
Re-confirmationOnce a year, to the addresses that have gone quietA day, and a little nerve

Write the calendar in one sitting and leave room in it. The plan that fails is the one with twelve slots and no spare, because real news arrives on a Wednesday and something you already promised has to move.

Does sending more affect whether my email lands?#

Volume and how fast it grows both count. A sender that goes from nothing to twenty thousand in a day looks like an attack to a receiving mailbox, and a new domain has no history to argue with that. Mailboxes weigh complaints and engagement far above how often you write, so the placement risk of a second send is about who is on the list, not the second send itself. The mechanics are at why your email goes to spam.

Is there a published benchmark for frequency?#

No mailbox provider publishes one, and the advisers disagree with each other. Campaign Monitor puts its guidance at no more than twice a week and at least once a month, while other guides describe one to four sends a month as the small-business range. Both are advice about reader patience rather than a rule a filter applies, and neither names the number your own list would break.

A monthly issue is the easiest cadence to keep when the tool remembers it for you. Campaign Kicker lets you schedule a campaign for a set time, mail one tag instead of the whole list, and read opens, unsubscribes and bounces for each send. The free plan covers 5,000 emails and 50 campaigns a month, with no card.

Start a monthly issue

Common questions

Is once a week too much for a newsletter?
Not if the week contains something worth reading. Weekly newsletters hold their lists well when the sender can fill them, and fall apart when the writer is inventing content to hit a slot.
Can you send too many emails?
You can, and the evidence is unsubscribes and complaints rather than a number. Two useful sends in a week do less harm than four thin ones, because the second group teaches readers that your mail is skimmable.
Should I send on the same day each week?
Yes, if you can hold it. A fixed slot teaches readers when to expect you, and a schedule they recognise is worth more than a slightly better day you miss twice.
Do Gmail or Outlook limit how often I send?
Neither publishes a frequency limit. Their sender guidance is about authentication, complaint rates and how a reader treats you, so the practical ceiling is your list, not their calendar.
What is the best day and time to send?
Every study gives a different answer because each one measures its own customers. Pick a slot you can repeat, send twice at it, then compare those two sends with each other instead of with an industry table.
I only have 200 subscribers, is a newsletter worth starting?
A small list is the cheapest place to learn your own rhythm, and 200 people who asked are worth more than 2,000 who did not. The usual result at that size is a high open rate and honest replies, which is a better signal than any benchmark.
Is a weekly newsletter too much for customers?
For most shops, studios and trades businesses it is more than the reader wants and more than the owner can write honestly. Weekly works when the writing is the product, and it fails when it is a slot you have to fill.
Do automated emails count towards how often I send?
To the reader, yes. A welcome series, a receipt and a birthday note arrive in the same inbox as your issue, so count them when you decide the cadence of the rest. A booking reminder the reader asked for is worth more than an extra monthly issue.
Should I send more often after a quiet month?
No. One plain issue that says what you have been doing is the better move, and a second send to make up for lost time is how a quiet list turns into a cluster of unsubscribes.
Is once a quarter too little for a newsletter?
For most small businesses, yes. A reader who hears from you three times a year forgets the reason they joined, and the addresses age on a slower calendar than yours: people change jobs and abandon inboxes without telling you. One issue a month is the smallest cadence that keeps you in a reader memory without asking much of you.
Can I run two different newsletters to the same list?
You can, and it is usually the right move before you widen the cadence of everything. A monthly note about the business and a fortnightly note about the trade answer different appetites in the same person. Keep them on separate tags, let each address choose which it receives, and report the two apart, because one merged number tells you nothing about either.
Does a seasonal business need a different schedule?
Yes, and the shape is quiet in the slow months and steady in the busy ones rather than the other way round. Mail ahead of the season you sell in, once a week through it, then one plain issue after it that says what happened. A list that only hears from you during the sale learns that your mail is an advertisement, which is when complaints start.
How do I announce a change of schedule to my list?
Say it in the issue before the change, in one line, with the new date named. This note goes out on the first Tuesday from now on is the whole message. Then hold the new date twice, because a schedule a reader has to relearn costs you the habit you were trying to build.
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