Manactor Slow Stream
The re-engagement planner splits the dormant base into daily micro-cohorts and warms them at a pace mailbox providers trust.
pace: adaptive · 1/30 dailyDeliverability and re-engagement
Calculate how much revenue is sleeping in your dormant email list.
Your list isn't dead — it's asleep. EngageMKTG List Revival safely wakes dormant email lists using slow-stream planning, live profile status, and pre-send validation — without migrating your ESP.
No blast. No migration. No lift — no performance fee.
Recovery processEvidence before projection
- 01AuditBaseline the dormant cohort and risk
- 02SuppressRemove unsafe and ineligible profiles
- 03Slow streamWarm 1/30 of the list each day
- 04MeasureTrack the same cohort against its baseline
Dormant-list opportunity calculator
Calculate what your dormant list could be worth
Enter a few numbers. We will estimate the recoverable segment, potential revenue opportunity, and the best next step.
Baselinefixed in your audit before launch
1/30of the list warmed each day
72 hoursto your free health audit
45 daysno lift, no performance fee
From estimate to reviewed plan
One guided path from opportunity to Insertion Order
The diagnostic fixes assumptions early, recommends the right commercial path, and creates a reviewable scope without pretending a draft is already signed.
The problem
Blasting a cold list is how domains die
A large share of a mature list can go quiet over time. Sending to every dormant profile at once can damage sender reputation — and every active subscriber feels the consequences.
The usual re-engagement blast
- One big send to the whole dormant list — spam-trap roulette
- Bounces and complaints spike, Gmail throttles the domain
- Even engaged subscribers land in Promotions or spam
- Months of reputation repair, with revenue on pause
The List Revival way
- Hygiene first: bounces, traps, and dead domains suppressed
- Slow-stream warm-up: 1/30 of the segment per day
- Every send validated before launch
- Reputation protected while dormant revenue wakes up
How it works
From dead weight to live revenue in four steps
You connect the list once. The platform does the repeatable work, with a human reviewing every gate.
- 01
Free audit
Connect a CSV or your ESP. We score hard bounces, traps, dead domains, and dormancy depth, then estimate recoverable revenue.
72 hours · $0 - 02
Clean and suppress
Live Status fields flag unsafe addresses and build suppression lists, so risky profiles never reach a send.
Days 1–5 - 03
Slow-stream warm-up
Manactor wakes daily micro-cohorts — 1/30 per day, best-content-first, adapting to engagement and bounce signals.
Days 5–35 - 04
Monitor and protect
Weekly reports track recovery. Early warnings slow the stream when engagement dips, and sunset policies retire what cannot be saved.
Ongoing
Inside the engine
Not an agency playbook — production infrastructure
List Revival runs on three modules of the EngageMKTG platform. The same engine can later power onboarding, real-time triggers, and lifecycle campaigns.
Live Marketing Status
Every profile carries current state — bounced, unsubscribed, interested, and timezone-validated — instead of yesterday's export.
hard_bounce · series_interestTrigger Processor
Every campaign is checked for audience size, suppression, and timing windows before launch, preventing risky sends from slipping through.
validate → approve → launch
The platform path
Solve the immediate pain first. Expand when the proof is visible.
List Revival is a productized application of EngageMKTG, not a disconnected agency service.
- 1Recover dormant-list revenue
- 2Unify profiles and live status
- 3Add planners and lifecycle triggers
- 4Operate the full Decision Framework
Pricing
Start free. Pay from results.
Priced against the revenue sleeping in your list — not the number of agency hours.
List Health Audit
Know what your dormant list is worth
$0
Delivered within 72 hours
- Bounce, trap, and dead-domain scan
- Dormancy segmentation map
- Domain risk score
- Recoverable revenue estimate
Revival Sprint
Full clean-up and 30-day warm-up
$2,500 setup
Up to 100k profiles · +$15 per 1k above 100k · performance fee only if lift succeeds
- Everything in the free audit
- Automated hygiene and suppression
- Manactor slow-stream warm-up
- Pre-launch validation on every send
- Weekly recovery reports and alerts
Revival Retainer
Keep the list healthy over time
$1,500/month
Multi-brand pricing available for portfolios and agencies
- Continuous hygiene and sunset policies
- Manactor running in the background
- Engagement-dip early warnings
- Monthly list health report
- Path to the full platform and planners
The no-lift, no-performance-fee guarantee
If the warmed segment's open rate does not improve by at least eight percentage points within 45 days, the performance fee is waived. The baseline segment is fixed in the audit report, so both sides measure the same cohort.
Who it is for
Built for lists that used to perform
Newsletter operators
Years of subscribers in beehiiv, Substack, or Ghost — and a growing quiet half.
E-commerce brands
Large Klaviyo lists where past buyers went silent and repeat revenue stalled.
Media and publishers
Multi-title audiences with overlapping readers and uneven engagement.
Email agencies
A productized revival offer for agency clients, including multi-brand support.
FAQ
Fair questions, straight answers
Will this hurt my sender reputation?
Protecting sender reputation is the point. Unsafe addresses are suppressed before any send, and the warm-up touches only 1/30 of the dormant segment per day. The pace adapts to bounce and engagement signals and slows if those signals deteriorate.
Do I have to migrate off my current email platform?
No. List Revival works alongside your existing ESP, including platforms such as Klaviyo, Mailchimp, beehiiv, Iterable, and others through available APIs and connectors. Your templates, sending domain, and stack stay in place; EngageMKTG adds the intelligence layer.
How is the performance fee measured?
When revenue attribution is available, the performance fee is 10% of attributed revenue from the reactivated segment over 90 days. If attribution is unavailable, the alternative is a $1,500 success bonus only if the agreed open-rate target reaches at least 35%. In either structure, the audit fixes the baseline cohort and measurement method before launch.
What happens to addresses that cannot be saved?
They are retired through a sunset policy: suppressed from sends but retained with their history and consent records in the unified profile graph. The active list becomes smaller, stronger, and safer to contact.
Is my subscriber data safe and compliant?
EngageMKTG is privacy-first, with U.S. data residency, domain-level consent tracking, field-level suppression, and subscriber-level access and export controls. We review the applicable data scope and responsibilities before any list is connected.
Free · 72 hours · No commitment
Get your free List Health Audit
Share your list size, current platform, and primary concern. A human will review your details and reply within one business day.