The morning's post, newest on top

• Tin Letter20 Oct2026

  For the attention of: Anyone starting or inheriting a list

  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.

  Stamp photo: Tim Sheerman-Chase, CC BY 2.0, via Wikimedia Commons

• Tin Letter29 Sep2026

  For the attention of: Whoever has the domain password

  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.

  Stamp photo: Post office, CC0, via Wikimedia Commons

• Tin Letter8 Sep2026

  For the attention of: People with a blank draft and a deadline

  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.

  Stamp photo: Sammlung der Medien und Wissenschaft, CC BY 4.0, via Wikimedia Commons

• Tin Letter12 Aug2026

  For the attention of: Shops, sellers and charities

  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.

  Stamp photo: Peterjm1989, CC0, via Wikimedia Commons

• Tin Letter14 Jul2026

  For the attention of: Keepers of ageing spreadsheets

  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.

  Stamp photo: Frank Schulenburg, CC BY-SA 4.0, via Wikimedia Commons

• Tin Letter23 Jun2026

  For the attention of: Anyone editing a website footer

  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.

  Stamp photo: Diarmid Lambert, CC BY-SA 3.0, via Wikimedia Commons