Inbox Placement Rate
96%+38pts
Before: 58%
Case Study — AgencyHow 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.
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
NowSPAM
E
Agency Client B
Partnership Opportunity Inside
NowSPAM
E
Agency Client C
Following Up on Our Proposal
NowSPAM
Before E-Warmup Inbox
Primary Inbox (3)
E
Agency Client A
Q4 Outreach Campaign
NowINBOX
E
Agency Client B
Partnership Opportunity Inside
NowINBOX
E
Agency Client C
Following Up on Our Proposal
NowINBOX
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.”
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Testimonial
What our users say
E-Warmup helped them to increase their email deliverability 🎉
3 weeks ago
I have been using different e-mail warm up services and E-warmup is the best in the game. I avoid spam at all cost because of these guys. Thank you so much for being there for me when my company needs you most.
JB
Sgt. Jessica Booysen
Review from TrustPilot
1 month ago
Inbox placement from 63% to 99% in a short time, over experience with e-warmup is outstanding, i learnt how to use the warmup settings for fixing mails vs maintaining high deliverability vs warmup. I switched from smartlead’s warmup to here and got the result what i expected basically. Customer support was really helpful.
DW
Dong W.
Review from Software Advice
2 weeks ago
I have used other warmup tools, but the best thing about e-warmup is some extra features that were not available in the other tools. E-warmup shows accurate data on email health, bounce rate (which is not found on other tools). Also, their AI read emulation feature is great.
TS
Tamim Sourav
Growth Manager, Sendcopy.ai
3 weeks ago
I have been using different e-mail warm up services and E-warmup is the best in the game. I avoid spam at all cost because of these guys. Thank you so much for being there for me when my company needs you most.
JB
Sgt. Jessica Booysen
Review from TrustPilot
1 month ago
Inbox placement from 63% to 99% in a short time, over experience with e-warmup is outstanding, i learnt how to use the warmup settings for fixing mails vs maintaining high deliverability vs warmup. I switched from smartlead’s warmup to here and got the result what i expected basically. Customer support was really helpful.
DW
Dong W.
Review from Software Advice
2 weeks ago
I have used other warmup tools, but the best thing about e-warmup is some extra features that were not available in the other tools. E-warmup shows accurate data on email health, bounce rate (which is not found on other tools). Also, their AI read emulation feature is great.
TS
Tamim Sourav
Growth Manager, Sendcopy.ai