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Most Agencies ‘Do Email’

Most Agencies ‘Do Email’ — Here’s Why They’re Costing You Millions in Missed MRR

Let me guess…

You’re working with an agency that “does your email.”

They’ve set up a few flows.

They send out campaigns each week.

They even show you a monthly report with opens and clicks.

On the surface, it seems like everything’s fine.

But here’s what I’ve learned after auditing dozens of 6–9 figure eCommerce brands:

Just because you’re “doing email”... doesn’t mean your email is doing anything.

In fact, most of the time?

It’s barely scratching the surface.

Real talk: Most email agencies are costing you money — not making it.

By the way, my name’s Adrian Manzano, founder of Inbox Rebel.

We specialize in turning underperforming email channels into high-converting, retention-focused revenue machines.

And what I keep seeing over and over again is this:

📉 Generic automations
📉 Zero segmentation
📉 Campaigns sent to entire lists
📉 No offer strategy, no testing, no optimization
📉 And absolutely no idea what Revenue Per Recipient even is

All while promising:

“We’ve got your retention covered.”

But if they’re not increasing your MRR?

If they’re not fixing your customer journey from opt-in to repeat buy?

They’re not doing retention.

They’re doing checkbox marketing.

Here’s a recent example:

One brand came to us after working with a well-known email agency.

They were stuck at $80K/month and couldn’t scale past that ceiling.

Their agency had:

A welcome flow (3 emails, no offer logic)
An abandoned cart (sent to everyone, even recent buyers)
Weekly campaigns (no segmentation at all)
Zero post-purchase flow
No tracking of flow revenue or RPR

We installed our Email Acquisition Framework.

45 days later?

💥 MRR up by 41%.
💥 Flow revenue doubled.
💥 Campaigns consistently hitting 3–5x ROI.

Same list. Same product. Different strategy.

Why does this keep happening?

Because most agencies treat email like a service to deliver — not a channel to grow.

You’re not hiring an email agency just to hit "send."

You're hiring them to:

✅Find revenue leaks
✅ Convert first-time buyers into repeat buyers
✅ Build real segments based on behavior and intent
✅ Align backend retention with your front-end ad spend
✅ Increase your MRR month over month — on autopilot

If they’re not doing that?

They’re costing you millions in missed LTV.