Letters by Burk

Letters by Burk

Share this post

Letters by Burk
Letters by Burk
How to Write Effective Email Subject Lines

How to Write Effective Email Subject Lines

In 5-10 words

Burk's avatar
Burk
Nov 28, 2023
∙ Paid
6

Share this post

Letters by Burk
Letters by Burk
How to Write Effective Email Subject Lines
1
2
Share

Sponsored by The Rundown AI* — the premiere newsletter for AI news and tools

macbook pro on black textile
Photo by Solen Feyissa on Unsplash

Hi newsletter addicts,

in this one, I'm going to share tips on how to write effective email subject lines.

Why are email subject lines important?

Your email subject line is the first thing people see when they receive your email. If your subject line is not interesting or relevant, they are likely to delete your email without opening it.

Fun fact about subject lines: “Emails with 6 to 10 word subject lines get the highest open rates.”

A good email subject line should be:

  • Clear and concise: It should tell the recipient what your email is about. No vague clickbaity stuff.

  • Intriguing: It should make the recipient want to open your email. Click-worthiness!

  • Relevant to the recipient's interests: If you are sending your email to a list of subscribers, you could segment your list and send different emails to each segment. This ensures that your subject lines are relevant to the interests of …

Keep reading with a 7-day free trial

Subscribe to Letters by Burk to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Burk
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share