Case Study

85 Leads and $1M in the Pipeline for Corebit’s Clients with Smartlead

Wajahat Ali
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February 24, 2026
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Key Highlights

  • 85 leads were generated, and a $1M pipeline was added in 2 weeks.
  • Meetings secured with top-tier companies like Visa and MasterCard.

Introduction: Crafting Hyper-Targeted Outbound Campaigns

Aamir Bajwa, the founder of Corebits, runs a cutting-edge marketing outbound agency that specializes in building consistent sales pipelines with sophisticated outbound solutions for B2B, SaaS, and software development companies. 

Leveraging the combined power of Smartlead and Clay, Corebits delivers AI-driven, highly targeted cold email campaigns. Their clients are usually businesses that are aware of their profit market fit and ICP, and have a sales team that can handle the incoming leads from their services. 

Their client base is primarily based in the US (90% of them), and the rest are from the UK and Israel. Corebits has consistently outperformed traditional SDR teams while saving time and resources for its clients.

Challenges Before Smartlead

Before adopting Smartlead, Aamir and his team faced significant hurdles:

  1. Reliance on outdated outbound tools and generic infrastructure, which struggled to meet the modern cold email landscape's demands.
  2. A shift in the cold email game required more sophisticated, personalized messaging to cut through inbox noise.
  3. The need for tools that could deliver scalability, efficiency, and top-tier email deliverability.

How Smartlead Transformed Corebits’ Strategy

Smartlead’s advanced email deliverability features equipped Corebits to overcome these challenges, offering tools to build a robust outbound function and scale without adding headcount. The impact was immediate and measurable.

Campaign Success: $1 Million Pipeline in 2 Weeks

Here are the tidbits of a campaign executed by Corebits using Smartlead that helped their client win their :

Corebits used Smartlead for one of their clients in the finance/banking industry to book meetings with leads for a massive event called Money20/20.

Target Audience

Marketing and product leaders at Money20/20.

Results

  • 85 leads generated in just 2 weeks.
  • $1 million was added to the client’s pipeline before attending the event.
  • Meetings booked with industry giants like Visa, MasterCard, and Stripe.

The Process

Targeted Prospecting

  • Using Smartlead and Clay, Corebits identified companies likely attending Money20/20.
  • AI agents and OpenAI prompts filtered non-target companies and validated their fit against the client’s ICP.

Data Enrichment

  • Enriched data using tools like Apollo.io and Clay’s work email waterfall.
  • Emails were validated through BounceBan to ensure deliverability.

Outreach Execution

  • A streamlined campaign through Smartlead targeted validated prospects with simple yet genuine messaging.
  • Leveraged Google Workspace accounts with low-volume scaling and IP rotation for optimal deliverability.

Features That Made the Difference

HubSpot Integration

  • Enabled seamless handoff of positive replies to the client’s lead stage, ensuring timely follow-ups by sales teams.

Slack Integration and Community Support

  • Real-time updates and troubleshooting allowed Corebits to maintain campaign efficiency.
  • The Slack community provided valuable insights and quick issue resolution.

Customizable Campaign Settings

  • Features like HTML tracking, bounce rate settings, and AI sentiment analyzer customization saved time and enhanced campaign performance.

IP and Inbox Rotation

  • Prevented domain burnout, ensuring campaigns maintained deliverability over time.

SmartDelivery

  • Offered detailed insights into inbox placement, helping Corebits optimize campaigns for maximum visibility.

Spintax and Personalization

  • Enabled the creation of unique email variations, making every message feel personal and relevant to the recipient.

A Testimonial from Aamir Bajwa

“The platform’s HubSpot integration, real-time Slack updates, and advanced campaign customization have been game changers for our business and our clients’. We’ve saved time and money while delivering unparalleled client results.”

Looking Ahead: Features Corebits Anticipates

While thrilled with Smartlead’s capabilities, Aamir looks forward to Smartlead adding more new features, but this time, something dedicated explicitly to agencies that do cold email outbound.

Conclusion

Corebits’ journey with Smartlead exemplifies how a cutting-edge tool can revolutionize cold email marketing. By leveraging Smartlead’s industry-best features, Aamir Bajwa and his team have consistently delivered industry-leading results, driving significant revenue for their clients again!

Our clients across industries have had similar results, and you can join in on the success train. Just try out our 14-day free trial and see the results for yourself.

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Wajahat Ali

Wajahat Ali is a Technical Content Writer at Smartlead, specializing in the B2B and SaaS sectors. With a talent for simplifying complex concepts, he crafts clear, engaging content that makes intricate topics accessible to both experts and newcomers. Wajahat’s expertise spans across copywriting, social media content, and lead generation, where he consistently delivers valuable, impactful content that resonates with a global audience. His ability to blend technical knowledge with compelling storytelling ensures that every piece of content drives both understanding and results, helping businesses connect with their target markets effectively.

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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.