Send less, earn more: the case against the weekly blast

The weekly email is the most reliably over-sent asset in marketing. It exists because it is easy to schedule, easy to report on, and easy to defend in a meeting. It is also, in most accounts, the reason list performance is declining.

The mechanism is not mysterious. Every send to someone who was not going to open is a small negative signal to the inbox provider. Do it weekly to an entire list and you are systematically training Gmail to treat you as background noise — which then suppresses the emails that would have converted.

Flows out-earn campaigns, consistently

Across the accounts we run, automated lifecycle flows generate a disproportionate share of email revenue relative to the volume they represent. This is not a subtle effect and it is not specific to a vertical. The reason is timing: a flow fires when someone has just done something. A campaign fires when the calendar says Thursday.

Intent decays fast. An abandonment email an hour after the fact is a different product from the same message sent in next week's newsletter, even though the copy might be identical.

Most teams build welcome, stop, and then spend two years optimising campaign subject lines. The order above is roughly descending revenue-per-hour-of-work.

Segment on behaviour, not demographics

Demographic segmentation is intuitive and mostly useless for email. Knowing someone's industry or job title tells you little about whether they are ready to buy this week.

Behavioural segmentation — what someone did, and how recently — is far more predictive. The minimum useful cut:

• Engaged — opened or clicked in the last 30 days. Safe to send to freely.
• Lapsing — 30 to 90 days quiet. Reduce frequency, change the offer.
• Dormant — 90 days or more. Win-back once, then sunset.
• Never engaged — subscribed but never opened. These are actively hurting you. Remove them.

That last group is the hardest sell internally, because list size is the number most often reported upward. Deleting subscribers looks like going backwards. It is not: a smaller list that reaches the inbox out-earns a larger one that lands in Promotions.

List size is an input. Revenue per recipient is the outcome. Optimising the first at the expense of the second is the most common self-inflicted wound in email.

Deliverability is a revenue problem, not an IT problem

Deliverability tends to get treated as technical hygiene handled once. In practice it is the ceiling on everything else — no amount of creative work matters if the message lands in a tab nobody opens.

The basics worth confirming: authentication properly configured, a dedicated sending domain separate from your corporate mail, a genuine unsubscribe that works in one click, and sending volume that ramps rather than spikes. Beyond that, the largest lever is simply not sending to people who do not want it, which is the same discipline as the segmentation above.

Test the plain-text version

One test we run on nearly every account, because it so often wins: a plain-text variant against the designed template.

Heavily designed emails signal "marketing" before a word is read, and they are the ones people have trained themselves to skip. A plain email from a named person, formatted like something a colleague would send, frequently outperforms a beautifully built template — particularly in lifecycle flows, where the moment is personal rather than promotional.

It will not always win. But it costs almost nothing to test, and when it wins it tends to win by a lot.

What "less" actually means

Cutting broadcast volume is not the goal in itself. The goal is to move effort from the send that goes to everyone toward the sends that go to someone at the moment it matters.

In practice that has meant cutting campaign volume by roughly a third while building out the flows above — and ending up with more total email revenue, a healthier list, and a channel that no longer degrades a little more every month.