> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.laposta.org/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.laposta.org/_mcp/server.

# How do you write a good subject?

> Four rules of thumb for a subject that makes your subscribers eager to open your newsletter.

Along with the sender address, the subject line is the first thing your subscriber sees of your newsletter. Here are four rules of thumb to get you started:

* Make sure your subject line is intriguing.
* Keep it short.
* Ask a question.
* Do not write in the past tense.

Would you like to read more about the subject line, the previewtext and the topic of your newsletter?

* [Using the previewtext in your newsletter](/hoe-gebruik-ik-de-previewtekst)
* [Emoticons (emojis) in the subject line](/emoticons-in-de-onderwerpregel)
* [Coming up with good topics for your newsletter](/wat-zijn-goede-onderwerpen-voor-mijn-nieuwsbrief)

You can find another twenty tips with examples on the Laposta website:

#### [Good subject lines for your newsletter](https://www.laposta.nl/over-ons/nieuws/goede-onderwerpregels-voor-jouw-nieuwsbrief)

Twenty examples of good subject lines, with an explanation of why they work.

## Related articles

#### [How do you come up with topics for your newsletter?](/wat-zijn-goede-onderwerpen-voor-mijn-nieuwsbrief)

Five set angles to come up with relevant topics for your newsletter.

#### [Writing accessible content for your newsletter](/inhoud-van-jouw-nieuwsbrief-in-het-kader-van-toegankelijkheid)

Make your newsletter easier to read for every recipient and suitable for screen readers.

#### [What to look out for in an accessible design?](/vormgeving-in-het-kader-van-toegankelijkheid)

Make the design of your newsletter accessible to every reader with a readable font…

#### [Filling in the previewtext of your newsletter](/hoe-gebruik-ik-de-previewtekst)

Enter a text that recipients see in their inbox next to the subject, even before they…