Outbound & B2B GTM EngineeringOleg Tomenko

Outbound & B2B GTM EngineeringOleg Tomenko

Catch-all emails in cold email outreach

Introduction

In the realm of cold email outreach, the effectiveness of your campaigns often hinges on the quality of your email list. You typically categorize your email addresses as valid, invalid, or catch-all. While it's a no-brainer to focus your efforts on the valid ones, catch-all emails offer untapped potential. This article will delve into the world of catch-all emails, explaining what they are, why they matter, and how to make the most of them in your email outreach strategy.

The significance of email verification

Before we dive into the catch-all email phenomenon, let's briefly touch upon the importance of email verification. When you're running an email outreach campaign, ensuring your email list is accurate is critical. Email validators help you distinguish between valid, invalid, and catch-all email addresses. These tools help reduce bounce rates, maintain your sender reputation, and enhance the overall effectiveness of your email outreach.
Below are the types of verification Clearout offers.

Clearout verification types

Snov.io, has a similar differentiation: green marks valid email addresses, red – invalid, yellow – catch-all or greylisted.

Snovio verification types

What are catch-all emails?

Catch-all emails, often called wildcard or default emails, do domain administrators set up email addresses to receive all messages sent to a domain, regardless of the specific recipient address. 
For example, if a domain has a catch-all email, such as "moc.niamod%40ofni," it will accept emails sent to "moc.niamod%40selas," "moc.niamod%40troppus," "moc.niamod%40eodnhoj," and any other address at that domain.
The purpose of catch-all emails is to serve as a safety net for any emails sent to addresses that don't exist or have been misspelled within the domain. Instead of bouncing these emails, the catch-all inbox collects them, making it a valuable tool for managing incoming messages.

The catch-all dilemma

Many marketers are wary of catch-all emails due to the perceived lower open rate. Since these inboxes receive a higher volume of emails, they might appear crowded and may not receive the same attention as specific, individual addresses.

However, it's important to note that catch-all emails are not necessarily invalid. Instead, they act as a barrier against email bouncebacks, ensuring that your messages reach their intended destination without being rejected.

Leveraging catch-all emails

Catch-all emails can be a hidden gem in your email outreach strategy, particularly if you have a newer domain or want to diversify your approach. Here's how you can harness their potential:
Domain Maturity Matters. For newer domains, it's advisable to build your domain reputation by initially sending emails exclusively to valid addresses. As your domain matures and gains more credibility, consider introducing catch-all emails into your strategy.
Experiment with Small Batches. When the time is right, create a separate batch of catch-all emails, typically 100-200 addresses, and send with a lower volume. This cautious approach ensures you're not overwhelming the catch-all inbox.

Case Study: a 50% open rate

I recently experimented with a client who had a domain that was six months old. We included catch-all emails in a small batch (200-300 emails), and the results were impressive. The campaign boasted a 50% open rate and a 1% reply rate, far from shabby. Even more astonishing is that the bounce rate was just 4%.

Conclusion:

In the world of cold email outreach, catch-all emails shouldn't be brushed aside. While they may not yield the same open rates as valid addresses, their value becomes apparent as your domain matures. Don't hesitate to experiment with catch-all emails in controlled batches to tap into their untapped potential.
Good luck with your email outreach experiments!

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