Think of the subject line as the one (short) sentence sales pitch for you message.

Explain what's in your email that is worth reading.

Good subject lines promise to save time or money, solve a specific problem, quantify benefits, use humour, include the recipient’s name, create mild disbelief and a sense of urgency to turn recipients into readers.

Here are some examples:

  • This is how Joey saves 40 minutes a day on admin tasks
  • Check out our featured destinations, 20% off this week only
  • {fname}, do you need more donors? (view merge field options)
  • File your taxes headache-free. No way?

Some bad examples:

  • [company name] newsletter
    Boring, nothing in here to entice readers to open
  • Re: some topic
    Faking a reply by using "Re:" is just that...it's a fake and your readers will know
  • ALL CAPS
    This is plain rude

Length of subject lines

Remember that in many inboxes subject lines get trimmed after about 40 or so characters.

Emojis in subject lines?

It greatly depends on your audience. And support by email clients. Read more here.

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