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He used honesty and information to get people to buy. They listened to his video blog, then visited his website and bought wines based on his recommendations.

In the subject line, tell your subscribers what you're going to teach them. Let them know that this isn't a sales pitch — just information.

Peer pressure doesn't end after high school. Today's boom in influencer marketing proves it.

People like to buy what others like. They architects email list either want to imitate the person who recommends the product or trust the person who made the suggestion.

Use testimonials, case studies, and customer lists to further engage your email readers. You can even include these things in your subject lines:

[Expert Name] agrees that we offer the best home plumbing tools
[Number of clients] There can be no mistake!
We sold [Number of items] [Item] in X days. Find out why!
8. Tease the beginning of a great story
You've probably seen clickbait headlines, which often lead to tasteless or largely irrelevant stories:

"One Man Ate 500 Hot Dogs. You Won't Believe What Happened Next!"

This is a made-up example ( he probably threw up), but you get the idea.

In the subject line, tease the beginning of a gripping story. Readers won't know the ending until they open the email.

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Best Common and Successful Email Subject Line Types
The Most Common and Successful Types of Email Subject Lines

Let's look at some examples and types of subject lines that often prove successful among different audiences. You don't have to use every single one, but test a few to determine what your target customers respond to.

1. Fear of missing the subject of the letter
This subject line creates urgency. It suggests that if the consumer doesn't act quickly, there may be no benefit to whatever you're offering.

Also called FOMO, the fear of missing out plays on the very human desire to have and belong. People would rather spend money or time on something they might not enjoy than miss out on doing something they might love.

2. Subject line: "Curiosity"
A simple question can be compelling enough to spark curiosity. The best subject lines set the stage or ask a question. The body of the email reveals the answer.

For example, you could use a subject line like: "What is the best subject line for marketing emails?" The implication is that you will provide the correct answer.

3. Subject line: "Pain Point"
Addressing the pain point can also be helpful in the subject line:

Are you tired of lower back pain?
Do you want to get more done every day?
Get Rid of Unwanted Text Messages Forever With This Tip
You get the idea. Here's a real example from Grammarly.

Pain Point Subject Line

Image from Gmail

4. Funny email subject
Remember that humor is subjective. What one person finds funny, another may find boring — or worse, offensive. That's why it's important to keep humor subtle in your subject lines.

However, funny topics will be able to establish contact with the audience. They are attributed to your personality.

Uber once used an email subject line that read, “Since we can’t all win the lottery…” It was designed to entice potential Uber drivers to sign up and start earning money immediately. “$5 gift certificate” in the body of the email matches the subject line.

5. Email Subject Retargeting
A retargeting email allows you to reach out to someone you've already reached out to before. For example, a consumer who just purchased one of your products.

You can follow up with an email a few days later to ask if the customer has any questions. Mention the purchase in the subject line: “How do you like your new water purifier?”

6. Subject line: "Greed"
Greed is simple. You want to appeal to your audience's desire to save money, perhaps by hinting at a discount or other financial incentive.

7. Subject line: "Vanity"
Alternatively, appeal to vanity. Tell your prospect how they will look better, more athletic, more attractive, or more beautiful if they follow your advice and open your email. Here's an example from fitness instructor and personal trainer Alexander JA Cortes.
Subject line: Vanity

Image from Gmail

8. Theme at the beginning of the story
As mentioned above, storytelling can be compelling marketing copywriting . Use the subject line as the hook for your story, and then continue it in the rest of your email body .

9. Subject line: "Urgency"
Creating a sense of urgency or time sensitivity can motivate email recipients to act quickly. Phrases like “Limited Time Offer” or “Only a few spots left!” encourage immediate action to avoid missing out.

Subject lines that create a sense of urgency often include urgent language or time-sensitive offers. By creating a sense of scarcity, urgency encourages quick decision-making and encourages the recipient to open the email.

10. Personalized email subject line
Some of the best email subject lines are those that speak directly to the recipient. You can add a personal touch to your email by using the recipient’s name or referencing their previous purchases and browsing history. This makes it more relevant.

Here are some examples of personalized subject lines that can significantly increase open rates:

Kate, your personalized travel itinerary awaits you!
Judging by your last purchase, you'll like it...
We miss you, [Name]! Come back soon!
Adding personalized information makes your email subject line more intimate and demonstrates that you value your recipients as individuals.

11. Subject line with numbered list
Using numbers in newsletter subject lines can grab attention and show that your emails contain concise, useful information.

There's a reason lists are popular.

They are easy to digest and imply value in the content.

Here are some examples of how you can use numbers to make your email subject line more specific and compelling:

3 Mistakes You're Making in Your Email Marketing
7 Secrets Successful Entrepreneurs Swear By
10 Best Destinations for Budget Travelers
Here's an example from entrepreneur Kieran Drew.

Numbered list of email subjects

Image from Gmail

12. Subject of the question
Asking a question in the subject line can engage readers, prompting them to look for an answer in the email. Here are some examples:

Are You Making These Common Mistakes?
What health problem worries you the most?
Ready to improve your open rates?
Questions stimulate curiosity and encourage recipients to open the email for answers.

13. Subject line: "Social Proof"
Using social proof in your subject line can help build trust and authority. You can use the influence of others to point out the popularity of your product or service and encourage discovery.

Find out why over 10,000 customers love our product
As noted in Forbes: Our Revolutionary Approach
These topics highlight positive experiences from other customers or notable achievements.

14. Subject with emoji
Carefully chosen emoji can add personality and fun to your subject lines. Emoji subject lines also make a visual statement in your inbox. Here's an example from Uber Eats.