Case Study

How Smartlead Supercharged AxoLeads’ Lead Generation Results

Priya Abraham
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February 24, 2026
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Getting high-quality leads is the lifeblood of marketing agencies and businesses. Cold emailing is one of the most powerful ways to make those connections happen, but let’s face it—it’s not as simple as hitting “send.” Deliverability issues, emails landing in spam, and the time-consuming manual setup can turn a straightforward idea into a frustrating mess. When every email counts, the pressure to get things right can be overwhelming, especially for businesses without technical expertise.

That’s where Smartlead comes in. It’s more than just a cold emailing tool—it’s like having a behind-the-scenes partner that handles the heavy lifting so you can focus on what matters: reaching the right people. For Sergio Ocampo, founder of AxoLeads, the shift to Smartlead was a game-changer. Running a cold email lead generation agency, Sergio needed a solution that wasn’t just effective but easy to use. With Smartlead, he didn’t just overcome the chaos; he found a way to scale his business and see real results, fast.

About Sergio Ocampo and AxoLeads

Sergio Ocampo, the founder of AxoLeads, started his journey in the lead generation space with a clear mission: to help marketing agencies and businesses generate meaningful connections through cold email outreach. Having launched AxoLeads just a year ago, Sergio has focused on creating highly personalized campaigns that consistently deliver results. His agency specializes in working with marketing agencies doing $30k and $400k per month, helping them secure 5–10 qualified sales calls each month with prospects they genuinely want to work with.

What sets AxoLeads apart is its commitment to precision and personalization. Sergio and his team leverage AI and hyper-focused targeting strategies to scale cold email campaigns without losing the human touch. By combining a data-driven approach with years of expertise, AxoLeads transforms cold prospects into warm leads. They offer a comprehensive done-for-you service, managing the entire outreach process in-house and maintaining clear communication through dedicated Slack channels.

However, the journey to building a successful cold email agency wasn’t without its challenges. From deliverability issues to managing large-scale campaigns, Sergio encountered significant roadblocks early on. These hurdles highlighted the complexities of cold emailing and the critical need for a solution that could simplify and optimize the process. That’s where we, at Smartlead, stepped in to help AxoLeads overcome these obstacles and scale their operations effectively.

Challenges Faced Before Using Smartlead

Before adopting Smartlead, AxoLeads faced a series of challenges that made cold emailing feel like an uphill battle. These issues, ranging from deliverability to time-consuming manual processes, created significant roadblocks in their efforts to run successful campaigns. 

Let's explore these challenges in more detail.

1. Slow and Manual Processes

At the beginning of his journey, Sergio and his team were sending cold emails using standard inboxes. 

This method was slow and extremely manual, making it difficult to scale their efforts. 

Every step—from composing emails to sending them—was done manually, which not only took up a lot of time but also increased the chances of human error. The process was inefficient and hindered the ability to reach large numbers of potential clients in a timely manner.

2. Deliverability Issues

One of the most significant challenges was the issue of deliverability. 

Despite their best efforts, many of the emails ended up in the spam folder, severely limiting their outreach success. Low open rates and minimal engagement were frequent problems, and it became evident that the traditional inbox approach wasn't cutting it. 

Deliverability was a constant headache, and it was hard to figure out what needed to be fixed without any clear guidance or tools to track performance.

3. Lack of Technical Expertise

Being non-technical, Sergio also struggled with the technical aspects of cold emailing

Setting up the necessary infrastructure, configuring mail servers, and ensuring emails were properly authenticated were all tasks that fell outside his expertise. 

Without the right tools to simplify these processes, Sergio and his team were forced to rely on trial and error, which led to inconsistent results and wasted time.

4. Ineffective Email Infrastructure

In addition to the manual nature of their email outreach, the team also lacked the proper email infrastructure to scale their operations. 

Without a reliable system in place to ensure emails were properly routed, authenticated, and tracked, it was challenging to get consistent results. 

This made it difficult to maintain quality and volume in their cold email campaigns, further compounding the issue.

How Smartlead Helped?

The shift to Smartlead marked a turning point for AxoLeads. 

Smartlead’s suite of cold emailing features, particularly SmartDelivery, was exactly what the team needed to address their cold emailing challenges. 

Here’s how Smartlead helped them overcome their struggles and streamline their email outreach efforts.

1. Placement Tests with SmartDelivery

SmartDelivery’s placement tests became a key part of their process. By running these tests, they could see exactly where their emails were landing (inbox, spam, or somewhere else) and take immediate action if things weren’t working as expected. This real-time feedback was invaluable, as it gave them greater control over their campaigns and allowed them to adjust strategies quickly.

As Sergio put it, "Cold emailing, especially for beginners, can initially feel overwhelming when it comes to understanding deliverability and email infrastructure. But with SmartDelivery, you can put all of that in the hands of the tool. It ensures your emails land in inboxes, and by running a simple test, you can see if you're hitting the mark. If not, it guides you on the steps to improve, giving you greater control over the success of your campaigns."

2. Improved Deliverability and Campaign Tracking

Thanks to Smartlead, AxoLeads saw a dramatic improvement in their deliverability. With the help of SmartDelivery’s automated testing and monitoring features, the team was able to pinpoint issues with their email campaigns and correct them before they became a problem. The ability to test and adjust deliverability helped ensure that their emails consistently landed in inboxes, drastically improving open rates and response times.

Additionally, Smartlead’s comprehensive tracking and reporting features made it easier for the team to measure their campaigns' success. The weekly reports provided actionable insights into performance, allowing them to continuously optimize their approach and refine their strategies.

3. Ease of Use For Non-Technical Teams

As a non-technical agency, AxoLeads found Smartlead to be exceptionally user-friendly. The platform was designed with simplicity in mind, ensuring that even those with limited technical knowledge could run successful cold email campaigns. 

The resources available—such as office hours and educational content—helped the team learn best practices for cold emailing, stay updated on the latest trends, and continuously improve their skills.

To further enhance their campaigns, AxoLeads is now also exploring SmartSenders - Smartlead’s latest offering. By utilizing pre-configured mailboxes, they plan to launch campaigns more quickly and efficiently. This capability can help them save time and accelerate their outreach efforts, allowing them to scale their campaigns and reach more potential leads in a shorter amount of time.

Impact Of Using Smartlead

The impact of switching to Smartlead was significant. AxoLeads experienced a dramatic improvement in both the efficiency and effectiveness of their cold email campaigns.

One standout success story came from a campaign launched with an SEO agency. Just two weeks after launching the campaign, AxoLeads had received 70 positive responses and booked 17 calls. This success was largely attributed to the combination of a compelling offer and the improved deliverability Smartlead provided. With emails landing in inboxes, engagement soared, and the team was able to convert leads into meaningful conversations and opportunities.

The ability to run deliverability tests, optimize email performance, and access detailed reporting allowed AxoLeads to achieve better results in less time, helping them build a more reliable and scalable lead generation process.

Looking Ahead: Future Growth With Smartlead

Looking ahead, AxoLeads is excited about the future and the potential for even greater growth with Smartlead. Sergio envisions more capabilities being added to the Smartlead mobile app, giving his team more flexibility to manage campaigns on the go. The prospect of additional features to further enhance campaign speed and performance is something AxoLeads is particularly excited about.

In addition to these future updates, AxoLeads plans to explore more advanced features, such as SmartSenders, to continue improving the speed and efficiency of their campaigns. With pre-configured mailboxes, they expect to scale their outreach even further and launch campaigns more quickly, all while maintaining high deliverability and engagement rates.

Winding Up

For AxoLeads, navigating the challenges of cold email outreach became significantly easier with Smartlead by their side. By taking care of the technical complexities—like email deliverability—and providing user-friendly tools and resources, we’ve helped them focus on building connections with the right prospects.

Features like SmartDelivery testing and campaign tracking have empowered AxoLeads to achieve real, measurable results with their cold email efforts. As they look ahead, we’re excited to continue being part of their growth story in the competitive world of lead generation.

If you’re ready to simplify your cold email campaigns and achieve similar success, why not give Smartlead a try? Start your 14-day free trial today and see the difference for yourself!

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Priya Abraham

Priya is a Senior Technical Writer and Editor with extensive experience in creating high-quality, SEO-optimized content that delivers measurable results. Specializing in technical writing, she crafts clear, concise, and valuable content that enhances online presence and establishes credibility for businesses across various industries. Priya combines her deep understanding of technical concepts with a strong focus on SEO best practices to produce content that is both informative and strategically optimized for search engines. With a passion for leveraging the power of well-crafted words, she helps organizations improve their digital footprint, drive engagement, and achieve their business objectives.

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Frequently asked questions

What is Smartlead's cold email outreach software?
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Smartlead's cold email outreach tool helps businesses scale their outreach efforts seamlessly. With unlimited mailboxes, fully automated email warmup functionality, a multi-channel infrastructure, and a user-friendly unibox, it empowers users to manage their entire revenue cycle in one place. Whether you're looking to streamline cold email campaigns with automated email warmups, personalization fields, automated mailbox rotation, easy integrations, and spintax, improve productivity, or enhance scalability with subsequences based on lead’s intentions, automated replies, and full white-label experience, our cold email tool implifies it in a single solution.

How does Smartlead's unlimited mailboxes feature benefit me?
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Our "unlimited mailboxes" feature allows you to expand your email communications without restrictions imposed by a mailbox limit. This means you won't be constrained by artificial caps on the number of mailboxes you can connect and use. This feature makes Smartlead the best cold email software and empowers you to reach a wider audience, engage with more potential customers, and manage diverse email campaigns effectively.

What do you mean by "unibox to handle your entire revenue cycle"?
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The "unibox" is one of the unique features of Smartlead cold email outreach tool, and it's a game-changer when it comes to managing your revenue cycle. The master inbox or the unibox consolidates all your outreach channels, responses, sales follow-ups, and conversions into one centralized, user-friendly mailbox.

With the "unibox," you gain the ability to:
1. Focus on closing deals: You can now say goodbye to the hassle of logging into multiple mailboxes to search for replies. The "unibox" streamlines your sales communication, allowing you to focus on what matters most—closing deals.

2. Centralized lead management: All your leads are managed from one central location, simplifying lead tracking and response management. This ensures you take advantage of every opportunity and efficiently engage with your prospects.

3. Maintain context: The "unibox" provides a 360-degree view of all your customer messages, allowing you to maintain context and deliver more personalized and effective responses.

Can Smartlead help improve my email deliverability rates?
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Yes, our cold emailing software is designed to significantly improve your email deliverability rates. It enhances email deliverability through AI-powered email warmups across providers, unique IP rotating for each campaign, and dynamic ESP matching.

Real-time AI learning refines strategies based on performance, optimizing deliverability without manual adjustments. Smartlead's advanced features and strategies are designed to improve email deliverability rates, making it a robust choice for enhancing cold email campaign success.

Can I integrate Smartlead with other tools I'm using?
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Certainly, Smartlead cold email tool is designed for seamless integration with a wide range of tools and platforms. Smartlead offers integration with HubSpot, Salesforce, Pipedrive, Clay, Listkit, and more. You can leverage webhooks and APIs to integrate the tools you use. Try Now!

What is Smartlead, and how can it enhance my cold email campaigns?
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Smartlead is a robust cold emailing software designed to transform cold emails into reliable revenue streams. Trusted by over 31,000 businesses, Smartlead excels in email deliverability, lead generation, cold email automation, and sales outreach. A unified master inbox streamlines communication management, while built-in email verification reduces bounce rates.Additionally, Smartlead offers essential tools such as CNAME, SPF Checker, DMARC Checker, Email Verifier, Blacklist Check Tool, and Email Bounce Rate Calculator for optimizing email performance.

How does Smartlead, as a cold emailing tool, automate the cold email process?
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Smartlead’s robust cold email API and automation infrastructure streamline outbound communication by transforming the campaign creation and management processes. It seamlessly integrates data across software systems using APIs and webhooks, adjusts settings, and leverages AI for personalised content.

The cold emailing tool categorises lead intent, offers comprehensive email management with automated notifications, and integrates smoothly with CRMs like Zapier, Make, N8N, HubSpot, Salesforce, and Pipedrive. Smartlead supports scalable outreach by rapidly adding mailboxes and drip-feeding leads into active campaigns Sign Up Now!

How does Smartlead ensure my emails don't land in the spam folder?
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Smartlead, the best cold email marketing tool, ensures your emails reach the intended recipients' primary inbox rather than the spam folder.

Here's how it works:
1. Our "unlimited warmups" feature is designed to build and maintain a healthy sending reputation for your cold email outreach. Instead of sending a large volume of emails all at once, which can trigger spam filters, we gradually ramp up your sending volume. This gradual approach, combined with positive email interactions, helps boost your email deliverability rates.

2. We deploy high-deliverability IP servers specific to each campaign.

3. The ‘Warmup’ feature replicates humanized email sending patterns, spintax, and smart replies.

4. By establishing a positive sender reputation and gradually increasing the number of sent emails, Smartlead minimizes the risk of your emails being flagged as spam. This way, you can be confident that your messages will consistently land in the primary inbox, increasing the likelihood of engagement and successful communication with your recipients.

What features does Smartlead offer for cold email personalisation?
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Smartlead enhances cold email personalisation through advanced AI-driven capabilities and strategic integrations. Partnered with Clay, The cold remaining software facilitates efficient lead list building, enrichment from over 50 data providers, and real-time scraping for precise targeting. Hyper-personalised cold emails crafted in Clay seamlessly integrate with Smartlead campaigns.

Moreover, Smartlead employs humanised, natural email interactions and smart replies to boost engagement and response rates. Additionally, the SmartAI Bot creates persona-specific, high-converting sales copy. Also you can create persona-specific, high-converting sales copy using SmartAI Bot. You can train the AI bot to achieve 100% categorisation accuracy, optimising engagement and conversion rates.

Is Smartlead suitable for both small businesses and large enterprises?
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Smartlead accommodates both small businesses and large enterprises with flexible pricing and comprehensive features. The Basic Plan at $39/month suits small businesses and solopreneurs, offering 2000 active leads and 6000 monthly emails, alongside essential tools like unlimited email warm-up and detailed analytics.

Marketers and growing businesses benefit from the Pro Plan ($94/month), with 30000 active leads and 150000 monthly emails, plus a custom CRM and active support. Lead generation agencies and large enterprises can opt for the Custom Plan ($174/month), providing up to 12 million active lead credits and 60 million emails, with advanced CRM integration and customisation options.