How To Conduct an Email Verification Audit for Improved Sales

Email marketing is a cornerstone of many businesses' outreach strategies. It’s a cost-effective way to engage with your audience, drive traffic to your website, and ultimately, boost sales. However, the effectiveness of your email marketing campaigns is heavily dependent on the quality of your email list.

Invalid emails can lead to high bounce rates, which in turn can harm your sender reputation and affect deliverability rates. This makes email verification an essential part of your email strategy. In this blog post, we will guide you through the process of conducting an email verification audit to improve your sales performance.

Why Email Verification is Crucial

Before we dive into the steps, it’s important to understand why email verification is so crucial:

  1. Improved Deliverability: The more valid email addresses you have, the better your chances are of reaching your target audience.
  2. Reduced Bounce Rates: Verifying your email list helps to remove invalid addresses, reducing hard bounces.
  3. Enhanced Sender Reputation: Limiting bounces and spam complaints helps maintain a positive sender reputation, crucial for ensuring the deliverability of your emails.
  4. Cost Efficiency: Many email marketing services charge based on the number of emails sent or the size of your email list. Removing invalid addresses can save you money.
  5. Accurate Analytics: A clean list provides more accurate email engagement metrics, enabling better strategy adjustments.

Key Terms in Email Verification

Before proceeding further, let's clarify some essential terms:

  • Bounce Rate: The percentage of emails that are returned as undeliverable.
  • Hard Bounce: A permanent reason an email cannot be delivered, such as an invalid email address.
  • Soft Bounce: A temporary issue preventing email delivery, like a full inbox or server issue.
  • Sender Reputation: A score that Internet Service Providers (ISPs) assign to an email sender based on various metrics such as bounce rates, spam complaints, and more.

Conducting an Email Verification Audit: Step-by-Step

Step 1: Gather Your Email Lists

The first step in your email verification audit is to collect all of your email lists. This may include lists from different departments or channels, such as:

  • Newsletter subscriptions
  • Sales inquiries
  • Event registrations
  • Customer accounts
  • Partner lists

Having all your lists in one place will make auditing and verification easier.

Step 2: Preliminary Scrubbing

Before diving into the technical verification, a preliminary scrubbing of your list can be very helpful. This includes:

  • Removing Duplicates: Identify and remove duplicate email addresses.
  • Removing Obvious Typos: Manually check and correct common typos like "gnail.com" instead of "gmail.com".
  • Segmenting Lists: Separate your B2B and B2C lists, as they may have different verification needs.

Step 3: Select an Email Verification Tool

Choosing the right email verification tool is crucial for your audit’s success. Some popular tools include:

  • ZeroBounce
  • NeverBounce
  • Hunter
  • Kickbox
  • BriteVerify

Ensure the tool you choose offers the following features:

  • Syntax check
  • Domain check
  • Role-based account detection
  • Temporary email detection
  • SMTP check

Step 4: Upload and Verify

Once you’ve selected your tool, the next step is to upload your lists for verification. Most tools offer a simple drag-and-drop interface or CSV file upload.

The verification process typically involves several checks:

  • Syntax verification: Ensures the email addresses are formatted correctly.
  • Domain verification: Confirms the domain is valid.
  • Mailbox verification: Verifies the email address exists and can receive mail.
  • Role-based address checks: Flags email addresses like "info@" or "support@".
  • Temporary email identification: Identifies and removes emails from temporary email providers.

Step 5: Review Verification Results

After the verification process is complete, review the results. The tool will typically categorize the emails into:

  • Valid: Addresses that can successfully receive email.
  • Invalid: Addresses that are either incorrectly formatted or do not exist.
  • Catch-All: Addresses that seem valid but cannot be fully verified due to the domain configuration.
  • Unknown: Addresses that couldn't be verified due to server issues or other temporary problems.

Step 6: Clean Your List

Based on the verification results, proceed to clean your email list. Remove invalid emails immediately. For Catch-All and Unknown emails, consider segmenting them into a separate list for another round of verification or special handling.

Step 7: Re-import Verified List

Once you’ve cleaned your lists, re-import them into your email marketing platform. Ensure you have proper tagging and segmentation in place for future campaigns.

Step 8: Monitor and Maintain

An email verification audit is not a one-time task; it's an ongoing process. Here’s how you can continuously maintain your list:

  • Periodic Verification: Schedule regular audits, preferably quarterly.
  • Signup Form Validation: Integrate real-time email verification on your signup forms.
  • Engagement Monitoring: Regularly remove inactive subscribers or those who haven't engaged with your emails in a significant period.

Optimizing Sales with a Verified Email List

Now that your email list is clean and verified, let’s look at how this can translate into improved sales:

Personalization

With a verified email list, you now have the confidence that your emails are reaching real people, which paves the way for deeper personalization. Utilize customer data to send targeted and personalized content, which has been proven to increase engagement and drive sales.

Improved Segmentation

Accurate email addresses allow for better segmentation. You can create more detailed segments based on customer behavior, preferences, and demographics. This enables you to send highly targeted campaigns, improving conversion rates.

Higher Deliverability Rates

A clean list directly impacts your email deliverability. Higher deliverability rates mean more of your emails land in the inbox rather than the spam folder, increasing the chances of engagement and sales.

Enhanced Analytics

With fewer bounces and more accurate email metrics, you can gain better insights into your campaign performance. This enables data-driven decision-making, helping you to tweak and optimize your strategies for better results.

Gaining Trust

A high-quality email list helps you maintain a good sender reputation, which is crucial for long-term success in email marketing. ISPs will be more likely to deliver your emails to the inbox, fostering greater trust with your audience and encouraging them to engage and purchase from you.

Conclusion

Conducting an email verification audit is not just a technical exercise, but a strategic move to enhance your email marketing efforts and drive sales. By ensuring the quality of your email list through regular audits, you can achieve higher deliverability rates, better engagement, and ultimately, more sales.

Remember, a clean email list is a healthy email list. Invest time and resources into regular email verification audits, and you’ll see the benefits in your bottom line. Happy auditing!