Right Now, Your Emails Are Going to Spam. You Just Don't Know It Yet.
Cold email infrastructure that protects your deliverability — on autopilot.
coldBirds provisions isolated mailboxes from Azure, Google Workspace & Outlook — with dedicated IPs, auto DNS, 6-hour health monitoring, and a dedicated VA per account. So you can scale outreach without inbox fires.
20 free mailboxes · No credit card · Live in under 4 hours
1:1:1:3
Isolation model
1 workspace · 1 domain · 1 dedicated IP per 3 mailboxes
6 hrs
Health checks
Auto-suspend degraded mailboxes before domain reputation damage
4
Sequencer integrations
Instantly · Smartlead · PlusVibe · Email Bison
Free
Dedicated VA
Dashboard management, support & onboarding — included at $0
Sound Familiar?
20 mailboxes hit spam on Tuesday. You found out Thursday.
No health monitoring means silent deliverability death. By the time you notice, your domain reputation is already torched.
One bad mailbox took down your entire infrastructure.
Shared IPs mean shared risk. When one mailbox triggers a blacklist, every mailbox on that IP goes down with it.
Your VA spent 3 weeks configuring DNS for 5 new clients.
SPF, DKIM, DMARC, domain redirections — for every single domain. Manually. And if one record is wrong, back to spam.
Why Isolation Is Everything
Most providers pile 50+ mailboxes on shared IPs. When one triggers a blacklist, they all go down. coldBirds doesn't work that way.
Shared IPs (Everyone Else)
Blast Radius
50+ mailboxes
All down. All at once.
coldBirds 1:1:1:3 Isolation
Blast Radius
3 mailboxes
Contained. Everyone else keeps sending.
You've always suspected shared IPs were killing your inbox placement rates. You were right.
The math: 200 mailboxes on shared IPs = all 200 at risk from a single bad sender. 200 mailboxes on coldBirds = max 3 affected, the rest keep sending.
How coldBirds Works
From zero to fully isolated, monitored infrastructure in under 4 hours — not weeks.
Tell us how many mailboxes you need
Choose your volume (5 to 1,000+). Pick your provider mix — Azure, Google Workspace, or Outlook. That's it.
We provision the full infrastructure
coldBirds creates isolated workspaces: 1 domain + 1 dedicated IP per 3 mailboxes. DNS (SPF, DKIM, DMARC) configured automatically. Warmup starts immediately.
Your dedicated VA takes over
A trained virtual assistant manages your dashboard, handles onboarding, and provides proactive support. Responds in under 2 hours. Included free with every account.
We monitor. You scale.
Every 6 hours, we check inbox placement across all mailboxes. Degraded mailboxes auto-suspend before damaging your domain. You focus on closing deals.
Ready to see it in action?
What coldBirds Actually Does That Nobody Else Can
We Provision Your
Mailboxes
You tell us how many mailboxes you need. We provision them from Azure, Google Workspace, and Microsoft Outlook — with dedicated IPs, proper isolation, and auto-configured DNS. No BYO accounts. No shared infrastructure.
Connects with your sequencer in one click
One Dashboard. Zero Tool Juggling. Full Lifecycle Control.
This is the actual coldBirds dashboard. Not a mockup. Not a concept. The real product your VA manages for you every day.
See degradation before your clients do.
Every 6 hours, coldBirds checks inbox placement across your entire fleet. Degraded mailboxes auto-suspend before your domain reputation takes a hit. You'll never find out from a client again.
This is the real product. Not a mockup. Want to see your use case?
15-minute walkthrough. We'll show you YOUR use case, not a generic demo.
Imagine Opening Your Dashboard to This.
85%+ inbox placement. Zero blacklisted domains. Pipeline compounding month after month. Your infrastructure running silently in the background while you focus on what you started your business to do — close deals.
Mailboxes provisioned, DNS configured, warmup started
First mailboxes clear warmup threshold, health monitoring active
95%+ inbox placement rates across your fleet — spam is a memory
Zero domains lost. Reply rates climbing, clients renewing
The infrastructure you stopped thinking about. It just works.
95%+
Inbox placement rate
Across all mailboxes, sustained
0
Domains lost to blacklists
Auto-suspend catches issues before damage
58:1
ROI on infrastructure
$550/mo in → $32K/mo pipeline out
You built your agency to scale outreach and book meetings — not to debug DNS records at midnight. coldBirds gives you back the freedom to do what you're great at.
Trusted by Agency Operators
Here's what people running cold email at scale say about coldBirds.
83%
Avg spam reduction
<4 hrs
Avg setup time
15 hrs/week
Avg time saved
“We migrated 200+ mailboxes to coldBirds. Our spam rate dropped from 18% to under 3% in the first month. The isolation model is the real deal.”
200+ mailboxes · 12 clients · $3.2M pipeline generated
Jake R.
Founder, Outbound Agency
“The dedicated VA alone saved us 15 hours a week. DNS, onboarding, troubleshooting — all handled. I just focus on selling now.”
350 mailboxes · 20+ clients · Scaled from 50 to 350 in 2 months
Priya M.
CEO, 8-person Lead Gen Agency
“I used to lose 2–3 domains a month to blacklists because of shared IPs. Since switching to coldBirds, zero domain losses in 6 months.”
120 mailboxes · 8 SDRs · $1.8M influenced pipeline
Marcus D.
Director of Sales Dev, B2B SaaS
Verified results from active coldBirds customers. Full case studies available on request.
Simple, Transparent Pricing
No hidden fees. No annual contracts. Scale up or down anytime.
Think of it as an investment, not a cost
Google Workspace
$4/inbox spent
~$8,000/mo pipeline
46:1 return
Microsoft 365
$4.50/inbox spent
~$32,000/mo pipeline
58:1 return
Microsoft Azure
$3.90/inbox spent
~$80,000/mo pipeline
Scale unlocked
Based on average cold email reply rates and meeting-to-pipeline conversion across coldBirds customers.
Google Workspace
For small teams taking their first step into automated cold outreach.
Here's what you get:
- Google Workspace mailboxes provisioned end-to-end
- Set up domains & DNS records (SPF, DKIM, DMARC)
- Build & connect 3 email inboxes ready for outreach
- Dedicated IP isolation (1 IP per 3 mailboxes)
- Bulk warmup with real G Workspace accounts
- 6-hour health monitoring & auto-suspend
- Integrate with any sequencer (Instantly, Smartlead, PlusVibe, Email Bison)
- Run weekly deliverability checks & reputation monitoring
- Free dedicated VA — onboarding, DNS, troubleshooting
Microsoft 365
For growing teams who need scalable, multi-inbox outreach managed for them.
Here's what you get:
- Set up 5 Microsoft 365 inboxes optimised for cold outreach
- Configure multi-domain deliverability setup (SPF, DKIM, DMARC, BIMI optional)
- Dedicated IP isolation — 1 IP per 3 mailboxes
- Bulk warmup with real M365 accounts
- Create tailored sequences aligned to your ICP and tone
- Manage auto-rotation of senders and unified inbox setup
- Integrate with any sequencer (Instantly, Smartlead, PlusVibe, Email Bison)
- 6-hour health monitoring & auto-suspend
- Provide detailed health and engagement insights every Friday
Microsoft Azure
For agencies managing multiple clients or brands under one infrastructure.
Here's what you get:
- Deploy full Azure-based outreach infrastructure with dedicated IPs
- Manage 10+ inboxes across brands or clients with auto-balancing
- Set up rotating domains and automated reputation scoring
- Configure custom dashboards for client-specific performance
- Integrate with any sequencer (Instantly, Smartlead, PlusVibe, Email Bison)
- Continuously monitor deliverability and blacklist risks
- 6-hour health monitoring & auto-suspend
- Free dedicated VA — onboarding, DNS, troubleshooting
- Provide weekly optimisation reports with actionable improvements
All plans include a 20-mailbox free trial. No credit card required. Month-to-month billing. Cancel anytime.
What others charge extra for, we include free
| Feature | coldBirds | Others |
|---|---|---|
| Dedicated VA / Account Manager | Free / 2 Months | $800/mo |
| Auto DNS (SPF/DKIM/DMARC) | Free | Manual / Not offered |
| 6-hour health monitoring | Free | Not available |
| Dedicated IP isolation | 1 IP per 3 mailboxes | Shared IP pool |
| Infrastructure OS (dashboard, onboarding & analytics) | Fully included | Not offered |
Start with 20 Free Mailboxes
No Credit Card. No Commitment. Full Infrastructure.
Get 20 Azure mailboxes with dedicated IPs, auto DNS, health monitoring, and a dedicated VA — free for your first month. See the deliverability difference before you pay a cent.
- 20 mailboxes, fully provisioned and warmed
- Dedicated IP isolation (1 IP per 3 mailboxes)
- Auto DNS: SPF, DKIM, DMARC configured
- 6-hour health monitoring active from day 1
- Dedicated VA assigned to your account
- No credit card required — ever
We onboard 10 new teams per month to maintain quality. Spots fill up.
If you're sending fewer than 100 emails/day and happy with your current setup — you probably don't need this. But if deliverability keeps you up at night, this trial was built for you.
Zero Risk. Full Control.
We designed coldBirds so you never feel locked in.
If you're not seeing better deliverability within 30 days, we'll extend your trial — free — until you do. No questions asked.
Your Best Quarter Starts with
Better Infrastructure.
The agencies booking the most meetings aren't writing better subject lines — they're running isolated, monitored infrastructure that never lets an email hit spam unnoticed. That's what coldBirds gives you.
Day 1: mailboxes provisioned, DNS configured, warmup started. Day 14: first mailboxes clear warmup threshold. Day 30: 95%+ inbox placement rates across your fleet. Day 90: zero domains lost. Day 365: the infrastructure you stopped thinking about.
If you're happy with shared IPs and unmonitored mailboxes, this isn't for you.
No credit card required. Your domains stay yours. Cancel anytime.
We accept 10 new teams per month. Don't wait until next month's cohort.
