The 8-person agency that hired a cold email specialist - and finally stopped landing in spam
An 8-person B2B services agency had been running cold email for a year. Open rates dropped from 45% to 12% over three months with no obvious change. The founder assumed the list was tired. It wasn't - every email was landing in spam.
Sending from the main company domain. No warm-up. DMARC set to p=none years ago and forgotten. Ten-step sequences. Tracking pixels on every email. Google Postmaster showed red on domain reputation. The tool vendor blamed the list; the list vendor blamed the tool.
Hired a part-time cold email specialist (10 hours/week, $45/hour). What made the hire work: a defined scope focused only on deliverability - copy stayed with the founder, targeting stayed with the SDR.
First 90 days
- Week 1
Full audit: 11-point deliverability check. Buys 3 secondary sending domains. SPF/DKIM/DMARC configured on each.
- Week 2–5
Warm-up ramp across 6 inboxes. Main-domain sending paused. List scrubbed with two verification tools - bounce rate dropped to 1.4%.
- Week 6–7
Copy trimmed from 10-step to 4-step sequences. Tracking pixels removed from first touch. Plain-text formatting enforced.
- Week 8
Cold campaigns resume at 30/inbox/day across warmed secondaries. Open rate returns to 62%, reply rate 5.8%.
Outcomes (benchmark-based)
Before vs after
| Metric | Before | After | Delta |
|---|---|---|---|
| Primary-inbox placement | 18% | 84% | +66 pts |
| Cost per meeting booked | $340 | $78 | -77% |
| Sequence length | 10 steps | 4 steps | -60% |
Primary-inbox placement rate (Google Postmaster verified)
% landing in primary inbox
Stack used in this story
Honest trade-offs
How I'd run this for you
Deliverability is one of the highest-leverage things I run for outbound programs. Same playbook that a specialist hire would deliver - DNS, warm-up, list hygiene, copy - but bundled into a broader sales operations retainer, not a separate line item.
- 11-point deliverability audit in the first week - you get a ranked fix list with evidence.
- Secondary-domain setup, warm-up ramp, and weekly Google Postmaster review.
- One operator across deliverability + list + copy + reporting - no vendor handoffs.
FAQs
Is this a real agency?
No - composite story. Numbers reflect realistic ranges for teams recovering from a burned domain (GlockApps benchmarks, Smartlead published data).
Do you replace a deliverability tool subscription?
You still need the tools - Instantly or Smartlead for sending, verification tools for the list, Postmaster for monitoring. I'm the operator reading and acting on what they output.
How long to see results?
First measurable improvement in week 2 (warm-up + DNS). Full recovery on burned domains: 8–12 weeks. On new domains started right, 4–6 weeks.
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Your situation isn't this exact story - let's map yours
30-minute diagnostic call. I'll tell you whether the fix is a hire, a fractional operator, or a small workflow change - and give you the honest math either way.