How Chicago Pacific Founders scaled cold email outreach without risking its domain

Chicago Pacific Founders runs a careful kind of cold email outreach. Arjun Kapur and his team at this healthcare-focused private equity firm reach out to founders and operators to start confidential conversations about acquiring or investing in their businesses. That's email that has to land in the inbox, read like a real person wrote it, and never trip a spam filter. It used to eat hours of the day. What if the slow part could run itself?

The challenge: relevance is everything, and spam ruins it

It starts with research. The team finds the right healthcare operators, builds lists by hand, and writes customized emails. The targeting was never the problem. The sending was.

Doing it manually was slow. Worse, it was hard to land in the inbox instead of the spam folder — the one place outreach goes to die. And as volume climbed, the backend got ugly fast.

The stakes were simple. If a message lands in spam, the prospect never sees it. For a firm whose pipeline depends on reaching a small, specific set of founders, a spam folder isn't an inconvenience. It's a dead deal.

Scaling cold email outreach without the busywork

SmartReach.io took over the part Arjun didn't want to own: the infrastructure.

Its Deliver4Sure tools handle deliverability in the background. Email throttling paces sends to look human. Email verification cleans lists before they go out. Domain health checks watch SPF, DKIM, and DMARC, and global blacklist monitoring pauses an account automatically if it ever gets flagged. ESP matching even sends Gmail-to-Gmail and Outlook-to-Outlook so messages travel familiar routes.

On top of that, Advanced Inbox Rotation spreads sends across multiple mailboxes from Google Workspace, Microsoft 365, and Azure, so no single address carries too much volume. SmartReach.io's Secondary Domains and Email Accounts feature stands up the mailboxes and runs the IP layer, including auto-replacing bad IPs so campaigns keep moving.

Why does all that matter so much? Because the inbox providers keep raising the bar. According to Google's sender guidelines, bulk senders need to keep spam complaints under 0.3% and authenticate with SPF, DKIM, and DMARC. Yahoo's sender requirements ask for the same. Miss those, and even great emails stop landing.

With the backend automated, the team spends its time where it counts.

Precision over volume

Most cold outreach advice says send more. Arjun does the opposite.

That's why the firm skips lead-finder shortcuts and builds lists by hand. SmartReach.io handles the delivery so the precision isn't wasted.

The results: hours back, conversations that move

Hours back, every day.

The clearest win is time. The setup saves the team at least 2 to 3 hours every day — the hours that used to go into sending and customizing emails by hand.

More volume, same reputation.

Arjun now sends and customizes 40 to 60 personalized emails a day, without juggling inboxes or logins. SmartReach.io keeps the sends paced and the inbox placement protected.

Conversations that move.

That time turns into pipeline. SmartReach.io helps the firm generate multiple qualified conversations every month, and most of them move on to deeper discussions.

The bigger shift is what the firm will now attempt at all.

That's how Arjun describes the single biggest thing SmartReach.io lets the team do that they wouldn't have risked before. Bounce rates move around depending on the lists they build and upload, and deliverability and response rates get watched closely. The exact numbers vary, but the direction is steady: more reach, less risk.

A support team that keeps getting better

Arjun used SmartReach.io, stepped away when a wave of transactions pulled his focus to existing deals, then came back. The return surprised him.

What stands out most isn't a feature. It's the people.

Isn't that what you actually want from a tool you bet your pipeline on? Not just software, but a team that picks up when something breaks.

What Arjun tells other firms

His advice to anyone weighing it up is short.

Outbound only works if your emails actually arrive. If your domain reputation is too valuable to gamble, SmartReach.io runs the deliverability and infrastructure so your team can spend its time on the conversations that close.