Open Rate
74%+722%
Before: 9%
Case Study — RecruiterDavid Sunder:
Open Rates Doubled in30 Days
Recruiting agency rebuilt from 3 blacklist entries. Reply rate jumped from 2.4% to 14.8%. Pipeline restored in 30 days.
Client
David Sunder
Industry
Recruiting Agency
Duration
30 days
Week 1Reputation Diagnosis
Week 1-2Auth Fix + Blacklist Removal
Week 2-8Domain ReWarmup
Month 2-12Campaign Optimization
The Problem
The Copy Was Fine.The Domain Wasn't.
David runs a recruiting agency that relies on cold email to reach passive candidates. The model is volume-dependent. When emails stop reaching inboxes, the whole pipeline seizes up.
His open rates were sitting in the single digits and reply rates were worse. He'd been sending from the same domain for over a year with no warmup process. The domain had quietly accumulated enough negative signals to push emails into spam.
His copy wasn't the problem. His domain reputation was.
3 Active Blacklist Entries Detected
Domain flagged across major blocklists. Undetected until audit.
Average open rate 9%
Average reply rate 2.4%
Inbox placement rate ~52%
Spam complaint rate ~0.38%
Active blacklist listings 3
Results After 2-Month Recovery
Direct impact of reputation repair and ongoing deliverability management.
Reply Rate
14.8%+517%
Before: 2.4%
Inbox Placement Rate
97%+45pts
Before: ~52%
Systematic Fix, Not a Shortcut.
Full Deliverability Audit
Diagnosed three active blacklist entries, a misconfigured SPF record, and a missing DMARC policy. All found in the first week.
Blacklist Removal
Removal requests filed across all three active listings. All cleared within 10 days. Authentication corrected in parallel.
Domain Re-Warmup
Structured re-warmup using 5,000+ real inboxes. Volume ramped gradually. Spam rate dropped below 0.08% within six weeks.
Where Your Emails Actually Land
Visualizing the transformation of David's recruiting outreach.
Primary Inbox (0)
E
David @ TalentFirm
Senior Dev Role — Are You Open?
NowSPAM
E
David @ TalentFirm
Exclusive Opportunity for You
NowSPAM
E
David @ TalentFirm
Quick Question About Your Career
NowSPAM
Before E-Warmup
Primary Inbox (3)
E
David @ TalentFirm
Senior Dev Role — Are You Open?
NowINBOX
E
David @ TalentFirm
Exclusive Opportunity for You
NowINBOX
E
David @ TalentFirm
Quick Question About Your Career
NowINBOX
After E-Warmup
The Fix Was Systematic
A year in, David's cold outreach runs the way it should have from the start. Open and reply rates more than doubled. The candidate pipeline is consistent and the team isn't losing placements to spam folders nobody checks.
The fix was systematic. Correct the authentication. Clear the blacklist history. Rebuild domain reputation properly. Then maintain it. All 3 blacklists cleared. Domain restored and reputation rebuilt within 10 days.
“I didn't know my domain had three blacklist entries until E-Warmup flagged them. I kept blaming the copy. Turns out the emails weren't even reaching the inbox. Within two months our reply rates more than doubled. A year later, the numbers are still holding.”
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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