// Case study details

// Case study details

10x Outbound for Mailin

10x Outbound for Mailin

Mailin provides cold outbound mailbox infrastructure for B2B teams. Their product sits at the core of how sales teams send at scale domains, mailboxes, warmup, and deliverability. By the time they came to us, they had already scaled past $1M ARR and built a strong reputation inside the cold email ecosystem. The problem was not growth inside that ecosystem. The problem was everything outside it.

Mailin provides cold outbound mailbox infrastructure for B2B teams. Their product sits at the core of how sales teams send at scale domains, mailboxes, warmup, and deliverability. By the time they came to us, they had already scaled past $1M ARR and built a strong reputation inside the cold email ecosystem. The problem was not growth inside that ecosystem. The problem was everything outside it.

The Results

110

Reel Views

40

New Followers

7 weeks

New Followers

Trusted by 200+ founders

Video

The Challenge

Mailin had built their business by being known in the right circles. Cold email practitioners, outbound agencies, and growth-focused sales teams already knew who they were. But that market has a ceiling, and Tomer knew it. To reach the next stage of growth, Mailin needed to break into new markets that had no existing awareness of them — buyers who needed the product but had never heard of it. Traditional content and community plays were not going to move fast enough. They needed a proactive outbound system built for new market penetration. The other challenge was operational. As Tomer put it directly: he did not have time to manage agencies or tell them what to do. He needed a partner who understood the goal and went to get results independently.

Our Strategy

We built a high-volume outbound system designed specifically to reach buyers outside the cold email ecosystem. New verticals, new personas, new messaging — built from scratch and iterated fast.

"I told him: I am a founder who does not have time to deal with agencies. You should just know the goal and go get results. And he has done that."

— Tomer, Founder & CEO of Mailin

HIGH VOLUME OUTBOUND  New Market Penetration

•  Identified target verticals with a genuine need for cold outbound infrastructure but no existing awareness of Mailin

•  Built clean, validated prospect lists across new buyer segments

•  Developed messaging frameworks that explained the product's value to audiences unfamiliar with cold email tooling

•  Ran rapid iteration cycles on messaging until new market angles started converting

•  Scaled outbound volume as winning campaigns were identified — 10x from the starting point

How It Ran

Tomer's brief was clear: no hand-holding, no lengthy briefing cycles, no check-ins to explain the basics. We took ownership of the entire outbound motion — targeting, messaging, infrastructure, iteration — and reported on results. The engagement has been ongoing since day one because the model works.

The GTM Company Flywheel

Mailin already knew the cold email world inside out — it was their product. What made the flywheel so powerful here was that every conversation we booked fed directly back into sharper positioning for the next campaign. We learned fast what messaging cut through outside the cold email echo chamber, what pain points resonated with new markets, and which buyer types converted. That intelligence compounded every cycle, and the outbound volume scaled with it — 10x from where they started.

The Results

Mailin's outbound volume has scaled 10x since the engagement began. More importantly, they are now reaching and converting buyers in markets that previously had no exposure to the product — expanding the total addressable market rather than just competing harder for the same pool of buyers.

In Tomer's words, Mailin has hired over two dozen agencies across content, outbound, and ads. We are one of two that have delivered a positive ROI. The other is a content agency.

"We have hired at least two dozen agencies at this point. Cam is one of two that has generated us a positive ROI. Money in, money out. It makes a lot of sense for us."

— Tomer, Founder & CEO of Mailin

Category

Tech

Year

2026

Platforms

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