How to Avoid Spam Words in Your Email Marketing

Boost Inbox Logo Maria Oscar
March 08, 2024

Email marketing is a powerful way to connect with your audience and grow your business. But to do that, you need to make sure your emails reach your audience's inbox and not their spam folder. Spam filters are smart and can block your emails if they contain certain words that are often used by spammers. 

These words can ruin your email deliverability and your sender reputation, and make your audience lose trust in you. In this guide, we'll show you a list of spam words to avoid in your email marketing, and how to write better emails that get delivered and opened.

Why You Should Avoid Spam Words in Email Marketing

The words you use in your email marketing can make a big difference in how your emails perform. Some words can trigger spam filters and make your emails look suspicious or annoying to your audience. This can hurt your email marketing in two ways:

It can lower your email deliverability. Email deliverability is how well your emails reach your audience's inbox. When your emails are marked as spam, they don't get delivered, and your audience doesn't see them.

This can also damage your sender's reputation, which is how email service providers rate your trustworthiness. A bad sender reputation can make your future emails get blocked or filtered more often, making it harder for you to reach your audience.

It can reduce your engagement with your audience. Engagement is how well your audience interacts with your emails. When your emails contain spam words, they can make your audience feel annoyed or distrustful of you. This can lead to high unsubscribe rates and low open and click rates.

Words that signal spam can also make your emails sound desperate or fake, which can hurt your brand image. To keep a strong relationship with your audience, you need to communicate in a way that is professional and honest and avoid words that might sound spammy.

List of Spam Words to Avoid

you got this

To help you improve your email marketing and avoid spam filters, we've created a list of common spam words that you should avoid in your emails. These words are grouped by their type and meaning. By avoiding these words, you can make your emails more trustworthy and appealing to your audience.

Generic Spam Words

Some words are risky to use in any email because they are often used by spammers. These words include:

These words can make your emails look untrustworthy or too good to be true. While you might have legitimate offers related to these words, you should find other ways to say them that don't trigger spam filters or make your audience skeptical.

Sales-related Spam Words

When you're promoting your products or services, you might be tempted to use words that create a sense of urgency or a great deal. But these words can also trigger spam filters and make your emails look pushy or scammy.

Examples of sales-related spam words are:

Instead of using these words, you should focus on creating value for your audience and making them feel appreciated rather than pressured. You can also use more specific and relevant words that describe your offer and how it benefits your audience.

Untrustworthy Spam Words

Trust is the foundation of any relationship, especially in email marketing. You want your audience to trust you and your brand, and to do that, you need to avoid words that make your emails look dishonest or shady. These untrustworthy spam words are:

These words can make your emails look like they're trying to trick or hack your audience, which can damage your reputation and credibility. You should avoid these words at all costs and focus on creating content that adds value to your audience and shows your authenticity and integrity.


The words you use in your email marketing can have a huge impact on your success. By avoiding common spam words, you can improve your email deliverability, protect your sender's reputation, and build trust with your audience.

Remember, your goal is to communicate your message effectively and honestly, without using words that could make your emails look spammy.

If you want to improve your email marketing, you need to ensure that your emails land in the inbox, not the spam folder. To boost your email deliverability, choose Boost Inbox, the best email warm-up tool that guarantees your emails will reach the recipient's inbox. Sign up today and experience the success.

What to read next

Yes, Boost Inbox is designed to cater to businesses of all sizes and industries.

Absolutely! Boost Inbox is compatible with most major email service providers.

The warmup process duration may vary depending on your email volume, but it typically ranges from a few days to a couple of weeks.

Yes, Boost Inbox offers dedicated customer support to assist you throughout the warmup process.

While it's possible, it's best to start the warmup process from the beginning with Boost Inbox for optimal results.