The sorting frame
Every letter we have published, filed by subject. Newest first. Start at the top left if you are setting up a list from scratch.
- Consent
Do you need consent to send a newsletter in the UK?
Usually, yes. Which rule applies depends on who is on your list, and business addresses are less simple than they look.
Photo: Tim Sheerman-Chase, CC BY 2.0, via Wikimedia Commons
- Deliverability
SPF, DKIM and DMARC for newsletters: a plain guide
Three DNS records prove your newsletter comes from you. Here is what each one does and the order to set them up in.
Photo: Post office, CC0, via Wikimedia Commons
- Writing
How long should a newsletter be, and what goes in it?
There is no ideal word count. Decide what the reader should do at the end, then cut everything that does not help.
Photo: Sammlung der Medien und Wissenschaft, CC BY 4.0, via Wikimedia Commons
- Consent
What is the soft opt-in, and can your newsletter use it?
The exception for customers is narrower than its reputation, and charities gained their own version in February 2026.
Photo: Peterjm1989, CC0, via Wikimedia Commons
- Lists
How often should you clean an email list?
A routine for bounces, leavers and quiet subscribers, plus why you should not delete people who unsubscribed.
Photo: Frank Schulenburg, CC BY-SA 4.0, via Wikimedia Commons
- Consent
What should a newsletter sign-up form say?
Who, what, how often and how to leave. Three lines of wording, and the record you should keep behind them.
Photo: Diarmid Lambert, CC BY-SA 3.0, via Wikimedia Commons
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