E-Warmup
Case Study — Agency

How Laurence
Thomas Hit 96% Inbox with E-Warmup

200+ client domains managed end-to-end. Agency ROI up 70%. Over 2 years and still running.

Client

Laurence Thomas

Industry

Marketing Agency

Duration

2+ years

Week 1-2Full Account Audit
Week 2-6Bulk Warmup
Month 2+Ongoing Management
OngoingWhite-Label Partnership

The Problem

Deliverability at Scale Is a Different Problem

Laurence runs a mid-sized marketing agency managing cold outreach for multiple clients at once. At scale, deliverability isn't one problem. It's a hundred problems happening simultaneously across different domains and sending setups.

When he came to us, inconsistent inbox placement was quietly killing open rates before anyone noticed. Manually diagnosing and fixing each account wasn't sustainable. Fewer emails reaching the inbox meant fewer replies, fewer booked calls, and client retention at risk.

The agency needed a scalable deliverability system. Not a one-time fix.

Avg. inbox placement rate ~58%

Monthly booked calls 30-40

Deliverability issues/month 15-20

Client churn risk High

Results After 2-Year Partnership

Direct impact of E-Warmup's deliverability management across the agency's client base.

Inbox Placement Rate

96%+38pts

Before: 58%

Monthly Blocked Calls

100++3x growth

Before: ~35/month

Agency ROI

70%Over 2 years

Before: Baseline

A Scalable Fix, Not a One-Time Patch

Full Account Audit

Every sending domain audited. SPF, DKIM, DMARC gaps flagged. Blacklist entries identified and cleared. A clean baseline before anything else.

Bulk Warmup at Scale

Over 1,000 email accounts brought into E-Warmup's real inbox network. Gradual volume ramp. Genuine engagement signals built across the client base.

Continuous Monitoring

Real-time blacklist monitoring, reputation tracking, and alerts across 100+ lists. Ongoing warmup that keeps every account healthy, not just at launch.

Where Your Emails Actually Land

Visualizing the transformation of Laurence's agency outreach.

Primary Inbox (0)

E

Agency Client A

Q4 Outreach Campaign

SPAM
E

Agency Client B

Partnership Opportunity Inside

SPAM
E

Agency Client C

Following Up on Our Proposal

SPAM

Before E-Warmup Inbox

Primary Inbox (3)

E

Agency Client A

Q4 Outreach Campaign

INBOX
E

Agency Client B

Partnership Opportunity Inside

INBOX
E

Agency Client C

Following Up on Our Proposal

INBOX

After E-Warmup Inbox

The Results Made the Partnership Obvious

Fixing deliverability at scale changed what the agency could actually offer. The team stopped firefighting and started running proactive campaigns. Client retention improved. Booked call volume became predictable instead of fluctuating month to month.

The collaboration didn't happen because we pitched it. It happened because the results made it obvious. Over 200 of their clients are now running on E-Warmup's infrastructure. The agency's ROI grew 70% in the process.

Before E-Warmup, deliverability was the thing that kept me up at night. Now it just runs. Our booked calls went from 30 to 100+ a month, and we've made E-Warmup a core part of what we sell. Two years in and we're not going anywhere.
LTLaurence ThomasAgency Owner
Get started today

Ready for your next campaign?

Join 10,000+ senders building elite deliverability.

Get Started Free
Testimonial

What  our users say

E-Warmup helped them to increase their email deliverability 🎉

3 weeks ago

Our outbound emails were landing in spam without us realizing it! E-Warmup helped us fix inbox placement and stabilize sender reputation. We saw a 38% increase in open rates within two weeks.

Theo Marshall

Theo Marshall

Head of Growth, Northlane Commerce

1 month ago

Managing multiple client domains was always risky with deliverability. E-Warmup gave us visibility across everything. We've seen up to a 2.1x increase in reply rates on outbound campaigns.

Isla Bennett

Isla Bennett

Client Success Director, BrightPath Agency

2 weeks ago

We thought our issue was bad email copies. Turns out, emails weren't even reaching inboxes. E-Warmup fixed that, and reply rates increased by 44% in the first month.

Marcus Vale

Marcus Vale

Co-Founder, SyncroFlow