Product Overview How it works Suppression Performance Features Integrations Postlever + OPTIZMO Email providers Pricing API docs (opens in a new tab) Contact Log in Create account

The first email deployment platform that runs itself

Built for high-volume senders. Postlever plans every send, reads every response and acts on what it learns.

Deployments

Yesterday 13.4MToday 13.6MTomorrow 13.8M draftSelect day
13,600,000 emails│12,100,000 scheduled 1,500,000 triggered 66% processed · Sending…
Deployments status
Sent8,991,886
Failed4,053
Suppressed on send17,122
Not yet sent4,586,939
Sent status
Delivered8,901,07899.0%
Hard bounced27,8700.3%
Soft bounced62,9380.7%
Engagement
Opens1,825,09520.3%
Clicks312,3013.5%
Unsubs8,4286,739 brand, 1,689 offer
Complaints1,7740.02%
Conversions20,6060.23%
Revenue$752,552.62($83.69 RPM)
12am4am8am12pm4pm8pm
BrandsOffersQuick sendsWarmupsESPsISPs Columns
BrandStart timeStatusProgressEmailsSentFailedSuppressedOpensOpen %ClicksClick %Hard bouncesHard bounce %Soft bounces
Home Improvement5:00 AMSending69%4,420,0003,055,2261,3775,818647,21221.2%111,9003.7%9,4690.3%21,385
Personal Finance12:00 AMSending67%2,720,0001,816,5418193,459352,44619.4%59,3403.3%5,6310.3%12,715
Healthy Living1:00 AMSending61%2,210,0001,345,1426062,561303,59522.6%51,9303.9%4,1690.3%9,415
Tech Deals12:00 AMSending67%1,700,0001,135,3385122,162205,66818.1%34,8403.1%3,5190.3%7,947
Auto Insurance5:00 AMSending67%1,190,000792,3873571,509157,66119.9%27,4533.5%2,4560.3%5,546
Credit Offers6:00 AMSending62%1,360,000847,2523821,613158,51318.7%26,8383.2%2,6260.3%5,930
Total66%13,600,0008,991,8864,05317,1221,825,09520.3%312,3013.5%27,8700.3%62,938
Workflow reports

RM-3day Running

Set to today ↻
Revenue
$1.20
Conversions: 1
Emails sent
6,198
4,398 100%
Opens
89
14 2%
Clicks
14
175 0%
Bounces
0
Unsubs
5
Contacts entered
Total: 2,476 contacts
Contacts exited
Total: 1,784 contacts
Workflow steps
StepContactsSentOpensClicksRevenue
1 RMD-14,3984,3988914$0.80
2 RMD-21,8001,800428$0.40

Deliverability

Overview Incidents Rules
Range 6h 24h 3d Custom Fit to open incidents 7 Aug 07:23 pm › 10 Aug 07:23 pm
Scope All brands All ESPs All ISPs
Show ESP deferrals Send failures Complaints ISP refusals Hard bounces
Volume Messages attempted Messages sent
299,724225,000150,00075,0000
0.060%0.045%0.030%0.015%0.000%
Messages attemptedOpenedRecoveredIncident resolution: 36-min buckets · 120 points
Incidents
SeverityRuleESPISP RateBandDurationStatus
Critical Send-failure rateSES devGoogle 11.40%10.00%34 mins Resolved
Warning Hard-bounce suppressionWhole account—— 2.40%2.00%2 hrs 10 mins Auto-handled
Warning Platform deferral detectionKumo dev SMTPMicrosoft 6.80%5.00%4 hrs 05 mins Resolved
Warning Complaint rateSendGrid devYahoo 0.18%0.10%6 hrs 20 mins Resolved
Page«‹1›» Results per page 10
Deployments
DateTimeStatusBrandISPWorkflowSentFailedSuppr.Open %Click %Hard %
9 Aug06:40× PausedHome ImprovementGoogleActive contact…148,20016,8951,24018.4%2.9%11.4%
9 Aug07:10→ SlowedPersonal FinanceMicrosoftRe-engagement…96,4006,55588020.1%3.4%6.8%
9 Aug07:55✓ CompleteHealthy LivingYahooWelcome series64,90026041022.8%4.1%0.4%
9 Aug08:30✓ CompleteAuto InsuranceComcastWinback 60d41,30012430019.6%3.2%0.3%
10 Aug05:00✓ CompleteTech DealsApplePromo blast88,70026662021.3%3.7%0.3%
10 Aug06:15→ SendingHome ImprovementGoogleActive contact…52,140198355————0.4%
Guard rails paused 1 deployment, slowed 1 onto GreenArrow, and held 2 for the next window.
Sent 1,284,930 Send errors 0.42% Hard bounces 0.31% Soft bounces 0.12% Complaints 0.02% Reputation guard armed
Workflow reports ›

New contact workflow (open/click)

3 Aug 2026 – 10 Aug 2026
$50,663.31 revenue (3 Aug – 10 Aug 2026) ($58.53 RPM) Conversions 1,971
Sends
Total865,593
With offer865,593 100.0%
Engagement
Unique opens184,233 21.3%
Unique clicks25,318 2.9%
MPP unique41,905
Delivery
Delivered865,388 100.0%
Hard bounces111 0.0%
Soft bounces94 0.0%
Complaints124 0.0%
Unsubscribes
Brand1,670 0.2%
Offer412
Seed delivery Sent 1,120Hard bounces 0 Soft bounces 0Complaints 0 Delivered clean
Contact flow
Contacts joining and leaving this workflow, day by day.
160,000 entered Exited 160,423 Net −423
20,56920,00819,70819,408
3 Aug5 Aug7 Aug9 Aug10 Aug
EnteredExited
Entry queue
Contacts due to enter that have not entered yet.
5,195,732 waiting now
5,349,7685,271,7285,226,7285,181,728
3 Aug5 Aug7 Aug9 Aug10 Aug
Workflow steps ContactsSeeds
StepSendsvs previousEntersSkipsUnique opensUnique clicksBouncesBrand unsubs
Day 1 – Welcome160,000——160,000034,57894533300
Day 2 – Newsletter98,887−38.2%0021,22658324175
Day 3 – Newsletter98,397−0.5%0020,38855030201
Day 4 – Newsletter98,029−0.4%0020,97656732174
Day 5 – Offer97,774−0.3%0020,80257617189
Day 6 – Newsletter156,777+60.3%0033,33193430318
Day 9 – Farewell155,729−0.7%0032,93289239313
Contacts in this workflow 336,088 contacts
ContactEntry dateSend dateEmails sentEngagementEngagement date
sarah.williams@example.com10 Aug 202610 Aug 20261————
paul.thomas@example.com10 Aug 202610 Aug 20261————
larry.white@example.com10 Aug 202610 Aug 20261Open10 Aug 2026
anthony.baker@example.com10 Aug 202610 Aug 20261————

Brands

Filter1 - 4 of 4
BrandVertical(s)OffersFrom addressESP(s)
Home ImprovementHome & Garden3tips@homeimprovement.examplePrimary SES
Personal FinanceFinance2offers@personalfinance.exampleKumoMTA east
Healthy LivingHealth3daily@healthyliving.exampleSendGrid promo
Tech DealsTechnology1news@techdeals.example——
Page«‹1›»Brands per page 25
Active · included in daily deployment planning
Brands ›

Home Improvement Tips

SetupWorkflowsCreatives
+ Add workflow
New contact workflow (open/click) SequentialActive
Entry
Daily scheduled20,000 per dayRun once per contact4,761,039
Steps
Day 108:00Day 1 - Welcome Email
Day 208:00Day 2 - Newsletter
Day 308:00Day 3 - Newsletter
Day 908:00Day 9 - Farewell
Exit
Active contact workflow (clickers)Matches 2 rules
Enter workflow - Inactive contacts workflowOn completion
Active contact workflow (clickers) RecurringActive
Entry
From Inactive contacts workflow
From New contact workflow (open/click)
Steps
Mon17:00Afternoon offer08:00Morning newsletter
Tue17:00Afternoon offer08:00Morning newsletter (with offer)
Wed17:00Afternoon offer08:00Morning newsletter
Exit
Inactive contacts workflowMatches 1 rule
Inactive contacts workflow SequentialActive
Entry
From Active contact workflow (clickers)
From New contact workflow (open/click)
Steps
Day 3009:00Farewell
Exit
Active contact workflow (clickers)Matches 2 rules
Exit workflowOn completion

Analytics

RangeLast 30 days · 10 Sep – 9 Oct 2026
PeriodDay
ComparePrevious period
Group byNothing
Filters3 deployment typesAll brandsAll ESPsAll workflowsAll offersAll ISPs
Performance over time
Delivered
2,377,427▲ 6.2%
98.7% of attempted sends
DeliveredBouncedSend errors
Open rate
21.4%▲ 0.8 pp
17.9% excluding Apple MPP
Open rateExcluding MPPPrevious period
Click rate
2.8%▲ 0.2 pp
2.9% of delivered with a tracked link
Click ratePrevious period
Hard bounce rate
0.31%▼ 0.04 pp
0.08% unsubscribed
Hard bounce rateUnsubscribe ratePrevious period
Complaint rate Healthy
0.021%▼ 0.004 pp
507 complaints · under 0.10%
Complaint ratePrevious period
Revenue
$82,979▲ 12.4%
$34.90 RPM
Revenue
Send funnel
Delivery
2,412,880 delivered · 97.9%52,296 did not arrive · 2.1%
EmailsShare
Suppressed18,4200.75%
Throttled3,1800.13%
Send errors9,6640.39%
Soft bounced13,5200.55%
Hard bounced7,5120.30%
Engagement
EmailsShare
Delivered2,412,880
Opened516,35621%
Clicked67,5602.8%
Converted4,1906.2%
Breakdown
Y-axisWorkflow
X-axisBrand
Cells showTotal over the range
MetricOpen rate
LessMore
WorkflowHome ImprovementPersonal FinanceHealthy LivingTech DealsRow total
New contact workflow24.0%of 270k22.0%of 170k25.6%of 140k20.6%of 120k23.3%of 700k
Re-engagement 30d19.1%of 190k17.5%of 240k--16.4%of 97k17.9%of 530k
Winback – 60d17.4%of 140k--18.5%of 120k14.8%of 72k17.2%of 340k
Welcome series26.3%of 120k24.1%of 97k28.0%of 140k--26.4%of 360k
Active contact workflow22.3%of 170k20.4%of 140k23.7%of 120k19.0%of 48k21.7%of 480k
Column total21.9%of 890k20.3%of 650k24.2%of 530k17.9%of 340k21.4%of 2.41m
Workflow entry
Contacts queued for entry, or dropped, when a workflow reaches a daily entry limit. Only workflows that entered, dropped or exited contacts in this range are listed.
1-3 of 3 workflows
BrandWorkflowDaily entry limitEnteredExitedQueued for entryDropped at entryDays at the limit
Home ImprovementNew contact workflow5,000daily scheduled reached150,000147,81246,880peak 52,3101,2402.1% of brand subscribes30 of 30
Personal FinanceRe-engagement 30d20,000daily scheduled2,000brand subscribe reached412,560398,1200peak 3,4103,8806.4% of brand subscribes10 of 30
Healthy LivingWinback – 60dNo limit96,41090,0020-0 of 30
Page«‹1 ⌄›»Results per page25 ⌄

Offers

Filter1 - 4 of 4
NameEmails sentDeploymentsLast deployed
Home Improvement Tips1,284,7301510 Aug 2026
Instant Approval Loans820,41199 Aug 2026
Family Health Cover504,33867 Aug 2026
Solar Roofing Deals00——
Page«‹1›»Results per page 25
Offers › Home Improvement Tips › Email bodies

Newsletter - instant approval NEW

HTML
<!DOCTYPE html> <html> <body style="font-family:sans-serif;"> <table width="600"> <tr><td> <img src="header.png" width="600"/> </td></tr> <tr><td style="padding:24px;"> <h2>Home Improvement Tips</h2> <p>Your daily tips for a better home.</p> <p>Today’s featured project: kitchen refresh ideas that cost under $500.</p> <a href="{{click_url}}" class="cta">See today’s tips</a> </td></tr> <tr><td style="padding:12px;text-align:center;"> {{optout_link}} </td></tr> </table> </body> </html>
✓ Opt-out link injected automatically
Preview
HOME IMPROVEMENT TIPS
Home Improvement Tips
See today’s tips
Workflows › New contact workflow (open/click)

New contact workflow (open/click) Sequential

Details Contacts Steps Brands
Steps
Each step of a workflow represents an email that is sent to contacts in the workflow.
Day 1
Day 1 - Welcome Email
⏱ 8:00 AM 📄 Welcome 1 📤 0 ☆
Day 2
Day 2 - Newsletter
⏱ 5:00 AM 📄 Newsletter 1 1 📤 0 ☆
Day 3
Day 3 - Newsletter
⏱ 3:00 PM 📄 Newsletter 1 1 📤 0 ☆
Day 4
Day 4 - Newsletter
⏱ 2:00 PM 📄 Newsletter 1 1 📤 0 ☆
Day 5
Day 5 - Offer
⏱ 11:00 AM 📄 Offer 1 1 📤 0 ☆
Day 6
Day 6 - Newsletter
⏱ 7:00 AM 📄 Farewell 1 📤 0 ☆

Suppression lists

ListTypeRecordsStatus
🛡Global suppressionGlobal3,847,291Active
🛡Home Improvement — brandBrand142,847Active
🛡Solar Roofing Deals — offerOffer18,291Active
🛡homeimprovement.com — domainDomain8,412Active
🛡Real-time opt-outsReal-timeLiveActive
5 suppression layers · 4,017,841 total records · Checked at send time

Workflows

4 workflows
WorkflowStepsEmails/dayBrandsTypeStatus
Active contacts workflow250,0004RecurringRunning
New contact workflow (clickers)4—2RecurringRunning
Inactive contacts workflow3—3SequentialPaused
Re-engagement 30d220,0002RecurringRunning

ESPs

Filter1 - 4 of 4
NameProviderDaily throttleConnected onHealth
Primary SESAmazon SES2,400,00013 Jul 2026Healthy
SendGrid promoSendGrid1,200,00013 Jul 2026Healthy
KumoMTA eastKumoMTA24,000,00028 Jul 2026Throttled
PowerMTA westPowerMTA6,000,0004 Aug 2026Healthy
Page«‹1›»ESPs per page 25
← Deployments

Deployment details 19 recipients

Revenue
$36.90
CPM: $23.99
Emails
1,605
Delivered
1,605
Opens
20%
Clicks
0%
Workflow details
WorkflowActive contacts workflow
StepDay 1 — Newsletter with Offer
BrandHome Improvement
ESPVirtual SES
ISPYahoo
Email preview
Weekly Newsletter
📬 Injected Offer: Home Improvement Tips
Visit our website →

Domains

Showing 1 - 2 of 2 domains
Domain / Subdomain CNAME ↑StatusHealthOrchestration
simpub-prod.tenwindowzip.com ✓ Active ● Healthyas of 20:48 Enabled
healthlinedaily.com ✓ Active ● Healthyas of 20:51 Enabled
Results per page 10 Page 1

Contacts

Contacts Attributes History
Total contacts
10,198,108
Hard bounced
455
Import history
5 imports
View full history
Imported onAddedMalformedSkippedUpdatedMethodStatus
29 Jul 2025 15:5710,000,000000Manual import✓ Completed
29 Jul 2025 15:501000Manual import✓ Completed
21 Feb 2025 12:03000100Manual import✓ Completed
21 Feb 2025 11:590000Manual import✓ Completed
21 Feb 2025 11:58100000Manual import✓ Completed
Showing 5 of 5 imports
Engagement recency 10,198,108 contacts
2y+12m6m90d30d7d
7,401,822active 90d 2,914,660opened 30d 486,240clicked 30d
API sync connected
1,240 contacts / min · 6 schema attributes mapped
dana.reyes@example.com+ opened 2d
m.okafor@example.com+ clicked 6h
t.lindqvist@example.comnew
priya.nair@example.com+ opened 9h
j.abara@example.comnew
Signals land on the contact as they arrive, so the next send can already use them.

Warmup

Seed utilization per ISP
Showing the distribution of seeds by ISP for today.
1 domain
ISP Total seeds Seeds used % ● Apple200% ● Google1100% ● Yahoo1600% ● Microsoft1200% ● AOL1300% ● Others7,8251101%
Sends today
100
Brands in warm up
2
Errors
Total 0 See full event log
You have no errors!
🔥 Warming up
See More
Total
1
Sends today
110
In error
0
CreatedWarm upSent todaySend progressTargetWarm up progressEst. completed
22 Dec 2025
Home Improvement Tips
Virtual SES · Others
100 of 100
100%
7,800
1%
~ 15 Jun 2027
Finished
See More
Total completed
0
Completed today
0
Total terminated
0
Terminated today
0
You currently don't have any finished warmups.
How Postlever works
1.Ingest

Every contact, every signal

Import 100M+ contacts. Every open, click, conversion and opt-out is kept.

  • 100M+ contacts with custom attributes
  • Full signal history: opens, clicks, conversions, bounces, complaints and unsubscribes
  • Apple Mail opens told apart from real ones, and reply-based opt-outs caught
  • Real-time API sync and dynamic, live segmentation
  • Engagement scoring for smarter sends
subscribers-may.csv10,000,101 rows
166,668 rows/s1m 00s
emailfirst_namestatesignup_datesource
Active in 90 days7,401,822
Engagement scored10,000,101
2.Configure

Brands, workflows, and templates in minutes

Brands, workflows and creatives set up in minutes, with AI writing the creative.

  • Sequential or recurring workflows
  • HTML editing with AI creative generation
  • Multiple variants for subject lines, from names and bodies
  • ESP assignment and throttling per ESP and ISP
Home Solar Teammail.homesolar.exampleDKIM
WelcomeWait 2 daysQuote offer
SendGrid 60%Amazon SES 40%
3.Send

The day’s send, planned and run for you

Postlever builds the plan: who receives which offer, through which ESP, in which hour. Then it runs it.

  • The day’s volume spread across hourly send windows
  • Offers chosen per contact and ranked by conversion
  • Automated multi-variant testing: every send split across its variants
  • Traffic divided across your ESPs on the ratios you set
  • Tomorrow’s plan there to read before it runs
4.Protect

Automatic response to every ESP and ISP signal

Deliverability reads response codes, deferrals and complaints as they land, and your rules decide what happens next.

  • ESP and ISP response codes read message by message
  • Rate limiting and deferrals caught as they start
  • Rules you configure act on their own: slow, reroute, pause
  • Kill switches: automatic, or yours to pull
Signal feed 3,361 events today
Events processed in real time · Auto-healing on
5.Optimize

Every send, an experiment

Creatives, offers and workflows run as experiments, and the winners are the ones that earn the most per thousand sent, not the ones with the most opens. With analytics on every signal across every ESP and ISP, every decision is an informed one.

  • Subject lines, from names and bodies tested in rotation, the weakest switched off for you
  • Offers ranked by revenue per thousand, the losers benched as EPC shifts
  • The send funnel, from delivered to converted
  • Breakdowns by brand, offer, ESP and ISP
Subject linesHome Improvement Tips · last 30 days
Your weekend project, sorted24.6%Leading
3 fixes that add value this month21.3%
Home Improvement Tips: October15.4%Inactive
Open rate · options trailing the best are set inactive by rule
Suppression, built in

Never download a suppression list again.

Every contact is checked at send time against suppressions, opt-outs and bounces, and each check is logged in the Advertiser's OPTIZMO account against your mailer.

Performance

Fast at any scale.

Built for enterprise volume from day one. If you're still waiting on your email platform, you're on the wrong one.

  • Unlimitedunlimited emails a month, no capSend as much as your ESPs and reputation allow. Postlever performs at any volume.
  • 10Mcontacts imported a minuteStreaming ingestion, so a full list is live before your coffee is.
  • 2sto segment 100M contactsCounts and filters update as you build the segment.
  • 10M+emails per ESP, per hourSends run in parallel across every connected ESP.
  • <0.4mssuppression lookupPer address, against every list, at send time.
  • <3msto capture a signalOpens, clicks and bounces are recorded the moment they happen.
  • 5sfrom signal to the email it triggersA signal arrives and the workflow it starts sends straight away.
  • 1B+events per query, answered in under a secondSliced by any dimension, with no sampling.
Postlever is our favorite platform for managing large-scale email operations. It handles massive contact lists and complex sending rules without breaking a sweat; all while maintaining assigned delivery speeds. The built-in tools for dynamic offer insertion and automated workflows make it incredibly easy to launch and scale campaigns with precision. It's a robust solution that delivers results, no matter the size or complexity of the send.
MF
Mark F.
AFMG
Integrations

Keep the ESPs you already run

Postlever plans, sends and reports across them, one at a time or all at once, with nothing to tear out first.

  • SMTP.com
  • AWS SES
  • SendGrid
  • PowerMTA
  • Mailgun
  • KumoMTA
  • GreenArrow
  • Elastic Email
Features

Everything else you need, built in

Creative Optimization
Subject lines, from names and bodies tested in rotation against each other. The ones that trail are switched off automatically, so the winners keep sending.
Contact Signals
Use the built-in signals or send your own by API. The moment one arrives, the emails and workflows it triggers start.
Deliverability Rules
Thresholds on response codes, deferrals and complaints. Breach one and the send slows, reroutes or stops on its own.
API
A comprehensive API, so anything you run in Postlever can run from your own systems.
IP Warmup
Automated daily volume ramp with seed monitoring and per-ISP tracking. Hit inbox from day one.
Seed Monitoring
Seeds across every major ISP. Know exactly where you're landing before you scale.
Domain Management
DKIM, SPF, and DMARC verified automatically. Health monitoring and orchestration control per domain.
AI Assistant
Natural language queries across contacts, workflows, and performance data. Ask anything about your account.
Revenue Tracking
Third-party attribution from send to conversion. eCPM, revenue per brand, and full ROI visibility.
Kill Switches
Automatic or manual halt on bounce spikes, complaint surges or delivery anomalies, run from Deliverability. Instant protection.
Offer Ranking
Offers ranked by revenue per thousand sent. As EPC shifts, the losers are benched and new offers rotate in.
Quick Send
A one-off email to contacts you pick, from an offer, a workflow’s creative or written in place. Now or scheduled, cleansed against suppression first.
Contact Enrichment
Postlever works with third-party data providers to fill in the attributes your contacts are missing.
Opt-out Pages
Branded opt-out and preference pages, hosted in Postlever. Every opt-out is suppressed before the next send.
FAQ

Questions? Answers.

Suppression is part of the platform, not a bolt-on. Every email is checked against global, brand, offer, and domain-level suppression lists in real time before sending. Opt-outs propagate instantly. You never need to download or upload a suppression list again.

No. Postlever connects to your existing ESPs: AWS SES, SendGrid, PowerMTA, Mailgun, KumoMTA, GreenArrow, and more. You can use one or many simultaneously, and Postlever will load-balance across them.

Postlever reads what the ESP and the ISP send back on every message (accept, defer, refuse, rate limit) and turns it into a rate it can act on. You set the thresholds: a deferral rate on one ISP, a hard-bounce rate on a brand, a complaint rate on the account. When one is breached the platform acts without waiting for you, slowing the send, moving volume to another ESP, holding the rest for the next window, or stopping the deployment outright. Every action is recorded as an incident in Deliverability, with the rule that fired, the rate that triggered it and how long it ran, so you can see what it did and why.

Warmup is automated: Postlever ramps daily volume on a schedule and tracks how each ISP is responding, with seed accounts at every major ISP reporting where mail is actually landing. Reputation guard rails watch bounce and complaint rates as the send runs and pause a brand, a workflow or the whole send before a spike becomes a blocklisting.

Set up a brand, connect your ESP credentials and import your contacts, and you can be sending the same day.

Yes. Postlever is automated by default but fully controllable. You can preview and adjust tomorrow's deployment plan, pause any brand or workflow, override offer selection, and trigger manual kill switches at any time. Every automated decision is visible and reversible.

Yes. Postlever has a complete REST API with full programmatic access to every feature: contacts, brands, offers, deployments, analytics, and webhooks. Integrate Postlever into your existing systems or build custom workflows on top of it.

Get started

Start sending with Postlever.

Set it up once. Every night after that, Postlever plans and runs the send while you sleep.

No card required · Free during early access · See pricing

Last night, while you sleptComplete
2.4Mdelivered
$85.40RPM