Improve Your Email Deliverability

Here are a few tips for improving your email deliverability:

Use a reputable email marketing service provider. A good email marketing service provider will have a good reputation with email providers and will help your messages avoid being marked as spam.

Segment your email list. Sending emails to a targeted audience will improve your open rates and click-through rates.

Personalize your emails. Using the subscriber’s name and other personal details in your emails will make them more likely to open and read your emails.

Use a strong subject line. The subject line is the first thing subscribers will see, so it’s important to make it clear, concise, and attention-grabbing. Using keywords that are relevant to your content will make subscribers want to open your email.

Write clear and concise content. People are busy and they don’t have time to read long, rambling emails. Get to the point quickly and make sure your content is easy to understand.

Include a call-to-action (CTA). Tell subscribers what you want them to do, whether it’s clicking on a link, making a purchase, or signing up for your newsletter. The more clear and concise your CTA is, the more likely subscribers are to act on it.

Use a spam filter. A spam filter will help you identify and block spam emails before they reach your inbox.

Avoid sending too many emails. If you send too many emails, subscribers will start to unsubscribe. A good rule of thumb is to send no more than two emails per week.

Use a good email deliverability service. A good email deliverability service checks your emails for spammy content and offers suggestions for improving deliverability.


Want to test your email before you send it? Here are a few tools to consider:

Is Not Spam: This online tool allows you to paste your email content and subject line to check if it contains elements commonly associated with spam. It provides a score and highlights potential issues.

Mail-Tester: Mail-Tester allows you to send a test email to a specific address they provide. They then analyze the email’s content, headers, and other factors to give you a spam score and suggestions for improvement.

SpamAssassin: Primarily known as an email filter, SpamAssassin also offers a spam check service. You can send your email to their testing address and they will return a report with a spam score and details about issues.

QeInbox: This tool offers a free email deliverability checker that will test your email’s content, design, and deliverability.

GlockApps Spam Testing: GlockApps provides a free spam testing tool that evaluates your email against various spam filters and provides a comprehensive report, showing how your email is likely to be treated by different email clients.

Spamcheck by Postmark: This tool analyzes your email’s HTML code and gives you a score for its deliverability. It also gives you suggestions for improvement.

MX Toolbox Email Header Analyzer: This tool allows you to analyze the headers, which can sometimes contain information that affects spam filtering. It’s useful for diagnosing potential issues related to email delivery.

Sender Score: This tool provides a free sender score that measures your email deliverability.

Litmus Spam Testing: Litmus offers a free tool called “Spam Filter Testing” that lets you see how your email would fare in different email clients and spam filters. While they offer a paid platform, this specific tool is free.


Remember that the effectiveness of these tools can vary, and it’s a good idea to use multiple tools to get a more comprehensive assessment. Additionally, focus on best practices for avoiding spam filters, such as using a recognizable sender name and email address, avoiding excessive use of certain keywords, providing a clear unsubscribe option, and ensuring your email content is relevant and valuable to your recipients.

Want help crafting an email campaign that gets results? Contact AcrobatAnt today at [email protected] or call Angela at 918-695-2273.