Case Study

How Danby Marketing Services Achieved Consistent 20-40% Positive Response Rates with Smartlead

Wajahat Ali
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February 24, 2026
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Key Results

  • 20-40% positive reply rate.
  • Thousands saved in operational costs through efficient inbox management.
  • More than 1.5 years of continued success with Smartlead.

Overview of Danby Marketing Services

Joseph Danby, founder of Danby Marketing Services, built a specialized agency to create outbound marketing systems for video production businesses. 

Due to the saturated market, Danby Marketing Services understands that video businesses often struggle with lead generation. 

The agency’s mission is to help these businesses by marketing their offers using email outreach and LinkedIn automation. This allows clients to focus on creating high-quality videos without worrying about lead acquisition.

Challenges in Scaling Outbound Marketing

Joseph and his team faced significant challenges in their outbound efforts.

  1. Time-consuming outreach: Their clients lacked the bandwidth to manage personalized outreach at scale.
  2. Copywriting strain: The team had to constantly experiment with content to find what worked, increasing the workload.
  3. Long sales cycles: Given the nature of the video industry, acquiring new clients was a slow, labor-intensive process.
  4. Inbox management issues: Managing multiple client inboxes added complexity, requiring a seamless system.

These challenges drove them to search for a tool to simplify and automate their processes.

Why Danby Marketing Chose Smartlead

Joseph discovered Smartlead through referrals from their professional network and quickly realized it was the ideal tool for their needs. Smartlead addressed its core challenges and aligned perfectly with its existing systems and processes.

"API integration is our most loved feature from Smartleadand the reason we chose Smartleadover other products in the market." – Joseph Danby

Smartlead Features That Transformed Danby Marketing

1. Powerful API and System Integrations

  • Seamless integration: Smartlead’s API allowed Joseph’s team to connect with essential tools like Clay and Notion.
  • They built custom CRM workflows that were directly integrated through Smartlead's API.
  • This automation saved time and allowed for limitless testing of outreach strategies.
“We love how easily we can link systems using Smartlead's API. It gives us limitless ways to test our outreach.” – Joseph Danby

2. Master Inbox for Simplified Inbox Management

Smartlead’s Master Inbox streamlined inbox management for Danby Marketing’s clients. Managing multiple inboxes, sending bulk updates, and setting warm-up limits became easier.

"Some clients asked us to manage their inboxes, which was made incredibly simple with the Master Inbox feature."

3. Spintax and Automation for Efficient Copywriting

The spintax features automated content creation by offering multiple message variations, reducing the time spent on crafting individual emails. This automation also ensured that messages felt personalized and unique to each recipient.

"Thanks to Smartlead’s automation features, we saved hours on copywriting and testing."

4. Advanced Reporting and SmartDelivery Insights

The team used SmartDelivery to gain insights into where emails landed (inbox, spam, or promotions). This allowed them to optimize their campaigns to achieve better engagement.

  • Focus on reply rates: Danby Marketing emphasizes positive reply rates over open rates to evaluate campaign success.
  • Consistent reply rates: Thanks to the advanced analytics and AI automation from Smartlead, they achieved a 20-40% positive reply rate.
“SmartDelivery gave us clear insights into where our emails were landing, which was a game-changer for our campaigns.”

Impressive Business Impact of Smartlead

Since adopting Smartlead, Danby Marketing has been able to:

  • Book meetings on autopilot with prospects directly through their outreach campaigns.
  • Seamlessly integrate sales and marketing funnels, ensuring smooth lead flow from initial outreach to scheduled meetings.
  • Save thousands of dollars monthly in operational costs by managing inboxes efficiently with the Master Inbox feature.
"Smartlead is 100% the reason we were able to make our sales funnel run so well." – Joseph Danby.

Future Plans: Leveraging AI to Scale Operations

Joseph’s team is eager to see more AI-powered features integrated into Smartlead to enhance their processes further.

  • AI-driven responses: They explore AI-powered inbox management to handle client inquiries faster.
  • Intelli Categorization: They already use this feature for inbox automation and hope for enhanced capabilities to support rapid scaling with Smartlead AI features.
"We're excited and looking forward to when more AI is integrated to streamline positive reply management. AI could help us respond quickly to get even more successful campaign results without hiring more people."

Wrapping Up

By using Smartlead, Danby Marketing Services has successfully transformed their outbound marketing operations. The powerful API, automation tools, and insightful analytics have streamlined their processes and helped them consistently achieve 20-40% positive reply rates. With the ability to manage inboxes, test campaigns, and pull client dashboards seamlessly, Smartlead became the core platform driving their success.

Joseph’s team is now looking forward to the next evolution of AI features within Smartlead, aiming to scale even further while continuing to provide exceptional service to their clients.

If your business struggles with positive responses and wants to boost your cold email outreach efforts, try Smartlead for 14 days with a free trial.

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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.