Case Study

How Smartlead Helped GrowthToday Manage 50+ Inboxes Per Client

Wajahat Ali
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Published On
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February 24, 2026
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Key Takeaways

  1. 50+ inboxes per client were managed seamlessly using Smartlead, which saved thousands of dollars.
  2. After migrating their email infrastructure, a $5 million SaaS client saw open rates improve from 20% to 60%.
  3. Smartlead’s affordable outbound email operations helped reduce email infrastructure costs.
  4. Significant reductions in manual tasks and email setup times, allowing the agency to onboard more clients.

Introduction

Growth Today, co-founded by Brigitta Ruha, is a fast-growing B2B agency specializing in helping scaling companies build repeatable and scalable outbound systems. 

Focusing on delivering qualified leads for B2B SaaS companies with $1M+ ARR, Growth Today provides end-to-end outbound management and one-time outbound/enrichment setups. Their selling point is that their outbound system feels human and is unique.

As the head of growth, Brigitta sought a reliable cold email tool to help streamline operations, overcome time constraints, and generate a predictable and scalable pipeline. 

After testing several cold email solutions, Growth Today chose Smartlead to manage its email infrastructure and outbound operations. Here’s how Smartlead transformed their business.

Business Context and Cold Email Needs

Growth Today’s mission is to help scaling B2B SaaS companies create predictable and scalable pipelines of qualified leads. 

Their ideal customers include founders and VPs of Sales at SaaS companies with 50-1000 employees and a minimum of $1M ARR. Growth Today’s services include fully managed outbound campaigns and one-time outbound/enrichment system setups.

While cold emailing remained a core acquisition strategy for Growth Today, Brigitta’s previous tools had several limitations, including:

  • Difficulty scaling outbound channels.
  • Managing large volumes of email infrastructure.
  • Reliance on resource-heavy, manual processes.
  • Avoiding spam filters while maintaining email deliverability.

Cold email marketing offers an effective solution for building scalable Go-to-Market (GTM) motions. However, Growth Today needed a tool to test strategies programmatically, build predictable outbound systems, and deliver repeatable results without resource overload. Hence, they chose Smartlead.

Challenges and Cold Email Tool Suitability

Before Using Smartlead

Growth Today faced the challenge of creating predictable and scalable outbound campaigns while managing a growing client base. Brigitta needed a tool to optimize and simplify email infrastructure while offering scalable solutions for high-volume email operations. The ideal tool needed to:

  • Ensure repeatability and scalability in outbound campaigns.
  • Provide advanced reporting and analytics for decision-making.
  • Manage bulk email infrastructure efficiently and effectively.

Why Smartlead?

Brigitta came across Smartlead through industry discussions in Slack groups and word-of-mouth from other cold email experts. Having tried tools that are spoken highly in the market, she didn’t find the right fit for her business needs. 

She found that Smartlead offered features specifically tailored to outbound operations, making it a perfect fit for their business needs.

Top Smartlead Features for Growth Today

  1. Bulk Inbox Management: Smartlead’s ability to manage multiple inboxes in bulk (e.g., signatures, sending volume, warmup limits) made it easier for Growth Today to handle large outbound email campaigns without sacrificing personalization.
  2. Detailed Reporting: The platform provided essential KPIs, such as positive response rates, allowing Brigitta to quickly evaluate and optimize outbound strategies.
  3. Advanced API Features: Smartlead’s API offered access to detailed data points, which helped automate workflows and extract important insights for internal use and client reporting.
  4. Sub-segments and Targeting: The tool’s segmentation capabilities ensured that emails reached the right prospects at the right time, increasing engagement.
  5. Affordable Price Point: Compared to other outbound tools, Smartlead’s competitive pricing enabled Growth Today to handle email infrastructure at a fraction of the cost.

//Brigitta says, “I want to continue to use Smartlead to make operations more seamless, so the plan is to bring more clients here and build more SOPs, systems around it to be able to onboard more clients and make everything super effective for us internally and for the clients.”

Impact and Benefits

Smartlead’s Role in Transforming Growth Today’s Operations

Since adopting Smartlead, Growth Today experienced significant improvements in their cold email operations. With 50+ email inboxes to manage per client, Smartlead drastically reduced the time spent setting up, updating, and monitoring email accounts.

  • Time Savings: Brigitta reported significant time savings from email infrastructure management. Smartlead’s features streamlined the process of managing multiple inboxes, allowing Growth Today to onboard more clients with fewer resources.
  • Reporting Efficiency: Smartlead’s data retrieval features allowed them to track and monitor campaign results in real time, feeding this data directly into their reporting dashboard. This improved their ability to make data-driven decisions and optimize email outreach strategies.

Notable Achievements with Smartlead

One notable milestone was Growth Today’s success in migrating the email infrastructure of a $5 million SaaS company to Smartlead. As a result, they increased the client’s open rates from 20% to 60%. The improved email deliverability directly contributed to better client satisfaction and a more effective outbound strategy.

Brigitta also attributed Smartlead’s affordable pricing to enabling Growth Today to offer competitive pricing for outbound services, which helped them secure more clients.

A Few Other Benefits

  • Email Infrastructure Costs: Saved thousands per month per client by reducing reliance on multiple tools and consolidating operations with Smartlead.
  • Improved Reporting: Automating data retrieval and push-to-dashboard functions for real-time campaign insights.

Feedback and Areas for Improvement

While Smartlead delivered excellent results, Brigitta wished there were more webhook capabilities that could accommodate a few more reporting requirements.

Additionally, the CRM functionality could be improved to allow more dynamic updates. 

She also wished there were more engagement-based filters to optimize targeting and outreach further.

"Brigitta says she is really excited and looking forward to seeing all the updates and features Smartlead has planned in the next months, especially the webbooks and analytics, which she believes are going to be a game changer for email deliverability."

Wrapping Up

Growth Today’s experience with Smartlead demonstrates how the right cold email marketing tool can enhance scalability, predictability, and efficiency in B2B outbound campaigns. 

By adopting Smartlead, Brigitta and her team have successfully streamlined their operations, improved client outcomes, and saved time and money. 

As Brigitta continues to onboard more clients and expand the company’s operations, Smartlead will play a pivotal role in maintaining the scalability and efficiency of their outbound marketing system.

By leveraging Smartlead, Growth Today has created a scalable, repeatable outbound system that continues to drive results for B2B SaaS companies. 

Your business could see the same results and transformation; just check out Smartlead’s 14-day free trial and see how it helps your business grow.

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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.