How To Prevent Spam Subscribers On Mailerlite

How To Articles

When managing an email list, a major hurdle is managing spam subscribers. As a blogger and email marketer, I have personally faced this problem and have dedicated significant time to discovering successful methods for avoiding spam subscribers on MailerLite, my preferred email marketing platform.

Before we dive into the details, let me first explain what spam subscribers are. These are individuals who sign up to your email list with the intention of either sending spam emails themselves or simply causing trouble. They can negatively impact your deliverability rates, engagement metrics, and overall email marketing efforts.

Understanding the Problem

Spam subscribers can be a headache, but with the right strategies in place, you can significantly reduce their presence on your email list. Here are some steps I follow to keep my MailerLite account free of spam subscribers:

Double Opt-In Confirmation

One of the most effective ways to prevent spam subscribers is by using a double opt-in confirmation process. This means that when someone signs up for your email list, they receive an email asking them to confirm their subscription. Only when they click the confirmation link will they be added to your list.

This step may seem like an extra hurdle for genuine subscribers, but it’s worth it to ensure that only people who genuinely want to receive your emails are added to your list. By implementing a double opt-in process in MailerLite, you can significantly reduce the number of spam subscribers.


Another effective way to prevent spam subscribers on MailerLite is by using reCAPTCHA. This tool helps to verify that the person signing up is a real human and not a robot. By adding a simple reCAPTCHA checkbox to your signup forms, you can add an extra layer of protection against spam bots.

By enabling reCAPTCHA in your MailerLite forms, you can filter out the majority of spam subscribers who use automated tools to sign up to your list. It’s a simple but powerful solution to combat spam.

Implement a Quality Signup Form

Your signup form plays a crucial role in attracting the right subscribers and deterring spammers. Make sure your signup form clearly communicates the value of subscribing to your emails and sets expectations for the type of content they will receive. By providing useful and relevant information, you can attract engaged subscribers who are genuinely interested in your content.

Additionally, consider adding a checkbox for subscribers to confirm that they are not a robot and agree to your terms and conditions. This can further help to filter out spam subscribers from your list.


Dealing with spam subscribers can be a frustrating aspect of managing an email list. However, by implementing the strategies mentioned above, you can significantly reduce their presence on your MailerLite account. Remember to use a double opt-in confirmation process, leverage reCAPTCHA, and create a quality signup form to attract genuine subscribers.

By following these steps, you can maintain a clean and engaged email list, ensuring that your email marketing efforts are effective and reaching the right audience.