Insights, Marketing

Steal These 11 Subject Lines to Boost Your SaaS Email Open Rates

by Ryan James

founder of Rocket SaaS

3d illustration of a letter on a purple background


Did you know that 47% of email recipients decide whether to open an email based on the subject line alone?

This makes crafting an attention-grabbing subject line crucial to the success of your email marketing campaigns.

Here’s 11 email subject lines you can steal

Boost your open rates and get more engagement from your email marketing campaigns with these 11 killer templates.

1. How to [benefit] without [Objection]

For example, “How to increase your SaaS sales without spending a fortune on advertising.”

2. [First name], this can help you [benefit]

For example, “John, this AI tool can help you automate your SaaS customer support.”

3. The real reason why you can’t [benefit]

For example, “The real reason why you can’t increase your SaaS conversion rates, even with a great product.”

4. Do you make this [topic] mistake?

For example, “Do you make this common SaaS pricing mistake that’s costing you customers?”

5. X ways to get [Benefit]

For example, “5 ways to improve your SaaS onboarding process and reduce churn.”

6. 1 weird trick to get [Benefit]

For example, “1 weird trick to boost your SaaS website traffic and generate more leads.”

7. What most [target audience] don’t know about getting [benefit]

For example, “What most SaaS startup founders don’t know about building a winning sales team.”

8. The truth about [topic]

For example, “The truth about SaaS product-market fit and how to achieve it.”

9. The fastest way to get [benefit]

For example, “The fastest way to implement a SaaS referral program and get more customers.”

10. The #1 mistake even experienced [job title] make

For example, “The #1 mistake even experienced SaaS marketers make in their email campaigns.”

11. Free Gift: [lead magnet]

For example, “Free Gift: The Ultimate Guide to SaaS Customer Retention.”
Using these subject line formats can help you create compelling emails that your SaaS subscribers can’t resist opening.

But remember, always deliver on your promises and provide value to your subscribers to keep them engaged and loyal to your brand.


Using these subject line formats can help you create compelling emails that your SaaS subscribers can’t resist opening.

But remember, always deliver on your promises and provide value to your subscribers to keep them engaged and loyal to your brand.



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By Ryan James

Founder @ Rocket SaaS

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Email: info@rocket-saas.io