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Best subject line for cold email

Best subject line for a cold email

Subject Line

There are a lot of conflicting opinions on what makes the best subject line for a cold email. The truth is, good subject lines are really hard to write. 


It can take you hours to find the perfect combination of words that will entice your reader to open your email and take the action you want them to take.


Subject lines are critically important when you’re writing a cold email. They make all the difference between a successful email campaign and a waste of time and money. 


If you want people to read your cold emails, you need to do everything you can to get their attention. One of the best ways to do that is to write a great subject line that will intrigue them.


Your email subject line is a very powerful frontier for getting your message down in front of prospective customers. 


The vast majority of people don’t open emails with a number in the title, and when they do they’re more likely to act on that software. Original subject lines are the most effective way of getting your message noticed.


Everyone knows that the most important part of a cold email is the subject line. But the question is – what is the best subject line for a cold email? This article will give you some top tips for writing an irresistible subject line.

Prove That You’re Legit

Your email subject line should establish interest and convey that you’re someone they can trust. It needs to be genuine and based on the content of your email.


If you’re sending a prospective client a cold email about digital marketing but your subject line says “How can you use social media to your advantage?”, the recipient will be confused and then they’ll decide that your email is not worth their time. 


The simpler the better. Spend time thinking about what you want to say in the email itself and what will lead to an effective or authentic connection with a prospect.

Insert Some Urgency

The importance of urgency in cold email subject lines is well known. It’s about using the right words in the subject line of your emails.


For example, if you have information that is useful for the reader, you can say things like “fixed in beta”, or “coming soon”. If you have something that is urgent or important, you can say things like “urgent fix”, or “fix coming soon”.


This creates a sense of urgency in the reader and motivates them to act quickly, or risk missing out on your proposal.


A sense of urgency is a way to write the best subject line for a cold email. Make them feel like they’re missing out. Don’t overdo it though.


Cold emails create engagement with your customers. But your subject line should evoke urgency and an immediate response from the recipient. 


In addition, there’s no point in sending a cold email to someone who isn’t in your target audience without researching their email and mailing information.

Be Useful To The Recipient

Lastly, don’t make it a copy and paste job. Automated emails are the last thing you want your prospect to see. Write a great subject line and customize the email body with the prospect’s name. On average, customized emails get an 18% higher click-through rate.


To write the best subject line for a cold email, be useful to the recipient. For example, figure out your new product launch and see how many potential customers would like to hear about it first. 


Write some creative copy on the product launch and use that as the email subject line. Or tell them about your other products. By writing an interesting email subject line, they’ll be more likely to open your emails and read them.

About the Author

Kemi Olaoshun is a content writer who dabbles in SEO and digital marketing. She considers herself  “a Jackie of all trades” and has her fingers in too many pies.