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What is an Email Deliverability Audit?

lemlist team

An Email Deliverability Audit is a detailed process that assesses and improves the likelihood of your emails successfully reaching recipients' inboxes, avoiding spam filters, and ensuring optimal engagement.

It evaluates the effectiveness of your email campaigns in reaching the recipients' inboxes.

This process goes beyond just creating compelling email content; it ensures your emails are correctly delivered and seen.

Why Conduct an Audit?

Conducting an Email Deliverability Audit is crucial for ensuring your messages effectively reach their intended recipients.

It's essential for anyone relying on email communications, particularly in marketing, to avoid their emails being mistaken as spam or getting lost.

The Importance and Key Steps

The Importance and Key Steps of an Email Deliverability Audit

  1. Sender Reputation
    : Ensures your email address and domain are trusted by email servers.
    Key Step: Conducting an in-depth analysis of the reputation of your email address and domain.
  2. Content Strategy
    : Ensuring the email content adheres to best practices to avoid being marked as spam.
    Key Step: Performing a thorough review of your email content, focusing on elements that might trigger spam filters.
  3. Audience Engagement and Email List Health
    : Maintaining a healthy, engaged email list to improve open and click-through rates.
    Key Step: Assessing the quality and engagement level of your email list, identifying inactive or unresponsive subscribers.
  4. Technical Compliance and Setup
    : Verifying that technical aspects like SPF, DKIM, and DMARC are correctly set up for email authentication and deliverability.
    Key Step: Examining the email infrastructure, including authentication setups and server configurations.
  5. Delivery Metrics and Analysis
    Key Step
    : Analyzing data on email delivery success rates, bounces, and spam complaints to identify trends and areas for improvement.

How Long?

The duration of an Email Deliverability Audit can vary depending on the size of your email operations and the complexity of your current setup. Typically, a thorough audit can take anywhere from a few days to several weeks. It involves detailed analysis at multiple levels, from technical setups to content and audience engagement.


More than just a tool for cold emailing, an Email Deliverability Audit is vital for the health and effectiveness of your digital communication strategy.

It’s about understanding and enhancing the journey of your messages from the outbox to the inbox, ensuring they are seen and read by your audience.

lemlist team
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