Welcome to the world of email deliverability, where the success of your email marketing campaigns hinges on ensuring that your messages reach the intended recipients' inboxes. As an expert in email deliverability, I understand the importance of optimizing your email campaigns to avoid spam folders and increase engagement with your audience. In this comprehensive review, we will explore the key factors that influence email deliverability and provide an in-depth analysis of top email marketing services, including Kajabi, AWS SES, and more. By the end of this article, you will have the knowledge and tools to significantly improve your email deliverability and achieve remarkable results in your email marketing endeavors.

Understanding Email Deliverability

Email deliverability refers to the ability of your emails to reach the recipients' inboxes without being flagged as spam or bouncing back. Several factors influence deliverability, and understanding them is crucial to ensuring successful email marketing campaigns:

1. Sender Reputation

Your sender reputation is determined by factors like email engagement, spam complaints, and bounce rates. A positive reputation improves your chances of inbox placement.

2. Email Content

Relevant and engaging email content helps maintain a good sender reputation and prevents emails from being marked as spam.

3. List Hygiene

Regularly cleaning your email list by removing invalid or inactive addresses is essential to maintain a healthy sender reputation.

Email Deliverability Review of Top Email Marketing Services

Let's review some of the top email marketing services and their email deliverability features:

1. Kajabi

Kajabi offers a user-friendly platform for creating and delivering emails. With advanced automation features, it provides excellent email deliverability and tracking capabilities.

2. AWS SES (Simple Email Service)

AWS SES is a powerful email service from Amazon that offers high deliverability rates and scalability. It allows you to send bulk emails reliably and efficiently.

3. Mailchimp

Mailchimp is a popular email marketing platform that offers a range of tools to improve deliverability, including A/B testing and segmenting your audience.

4. ConvertKit

ConvertKit is designed for content creators and bloggers, offering features like personalized content and automation to enhance deliverability.

5. Constant Contact

Constant Contact provides user-friendly templates and engagement tracking to optimize your email campaigns for better deliverability.

Improving Email Deliverability

To ensure high email deliverability and improve the success of your email marketing campaigns, consider implementing the following strategies:

1. Authenticate Your Emails

Implement SPF, DKIM, and DMARC authentication to prove the legitimacy of your emails and prevent spoofing.

2. Monitor Your Sender Reputation

Regularly monitor your sender reputation and take action to address any negative indicators.

3. Maintain a Clean Email List

Regularly remove inactive and invalid email addresses from your list to maintain list hygiene.

4. Avoid Spam Triggers

Avoid using spam trigger words in your subject lines and content, as they can negatively impact deliverability.

5. Test Your Emails

Test your emails across various devices and email clients to ensure they display correctly and avoid spam filters.

FAQs About Email Deliverability

1. How can I check my email deliverability rate?

You can check your email deliverability rate by analyzing bounce rates, open rates, and click-through rates in your email marketing platform.

2. What is a good email deliverability rate?

A good email deliverability rate typically ranges from 95% to 99%. However, this may vary depending on your industry and target audience.

3. How do email marketing services improve deliverability?

Email marketing services improve deliverability through features like authentication, list cleaning, and monitoring sender reputation.


Email deliverability is a critical aspect of successful email marketing campaigns. By understanding the factors that influence deliverability and selecting the right email marketing service, such as Kajabi, AWS SES, or Mailchimp, you can significantly improve the success of your email campaigns. Implementing best practices, such as authenticating your emails and maintaining a clean email list, will further enhance deliverability. Remember to regularly monitor your email deliverability and make adjustments to optimize your results. With the insights and strategies from this comprehensive review, you are well-equipped to conquer the world of email deliverability and achieve remarkable results in your email marketing efforts.