100% Managed Cold Email Infrastructure

Send like you mean it.
We'll make sure it lands.

Mailflo is where serious sales teams send cold email. Bulletproof inbox placement, automated warmup, and email deliverability reports that keep you in the green. No fluff, just pipeline.

Trusted by growth teams worldwide

Arctis
Veloq
Nuvio
Sparklub
Driftly
Zeplo
Callibr
Arctis
Veloq
Nuvio
Sparklub
Driftly
Zeplo
Callibr
0K+
Businesses
0M+
Emails Sent
0.0%
Deliverability
0x
Avg ROI

100% Managed Service. Zero Effort.

Engineered for scale.

Stop fighting with spreadsheets and broken integrations. Mailflo gives you the tools to reach the inbox every single time.

US Billed Accounts and Infrastructure Built for Compliance

Every mailbox is a real Google Workspace or Microsoft 365 account provisioned in the United States. We send from clean, dedicated US and EU IPs, never shared pools, so your emails arrive from infrastructure prospects trust and you stay compliant with US data requirements.

US-Billed AccountsUS/EU IP Addresses

Bulletproof Inbox Placement

Automatically distribute sending volume across multiple domains and accounts to protect your sender reputation and keep every email out of spam.

Automated Warmup

AI-driven peer-to-peer network warms up your email accounts simulating human behavior to build sender reputation from day one.

Delivery Reporting

Real-time visibility into inbox placement, open rates, and deliverability scores — so you always know exactly where you stand.

Proactive Monitoring

We watch your sending health around the clock so you catch deliverability issues before they hurt your campaigns.

Cold Email Infrastructure Consulting

Get expert guidance on your sending setup, domain strategy, and deliverability — included free with every Scale plan.

Spam Protection

Proactive spam word detection, SPF/DKIM/DMARC verification, and continuous blacklist monitoring.

Launch in minutes.

A frictionless workflow designed to get you from setup to sending as quickly as possible.

01

Connect Domains

Easily add your sending domains. We handle the technical setup.

02

Setup Mailboxes

Add Google or Outlook mailboxes and link them to your domains in minutes.

03

Auto Warmup

Turn on our smart warmup network to build sender reputation from day one.

04

Ready to Launch

Your infrastructure is live. Start sending cold email with confidence.

Plan Calculator

Build Your Perfect Stack

Answer 5 quick questions and we'll match you with the right Mailflo tier — plus send you our free Cold Email Infrastructure Toolkit.

Step 1 of 3 · Lead volume

33%

1

How many leads do you want to contact per month?

Unique prospects you plan to reach. Doesn't include follow-ups.

leads / month
Quick pick:

Simple, scalable pricing.

Pick the plan that fits your sending volume. Every tier includes the full Mailflo platform — no feature paywalls.

Starter

For growing businesses.

$94/month

$14/mailbox · 10 mailboxes included

$140/mo · 33% off billed annually

Get started

Email accounts

  • Up to 10 managed mailboxes
  • Azure mailboxes available*
  • Google / MS mailboxes
  • US billed accounts

Infrastructure

  • Deliverability configuration
  • Domain & mailbox management
  • DNS health monitoring + proactive alerts
  • Domain masking & forwarding
  • Automated 2FA & DNS setup
  • DNS monitoring
  • Blacklist monitoring
  • US / EU IP

Deliverability

  • Unlimited placement checks
  • Bounce monitoring
  • Premium warm up

Platform

  • Full admin panel access
  • Integrating top Sequencers (Instantly, Smartlead, Salesforce...)
  • Bulk profile customization
  • Unlimited projects

Support

  • Email + chat support
Add OnOne-time

Cold Email Infrastructure Consultation

$299· one-time charge

Invoiced separately

Most popular

Growth

For scaling teams.

$221/month21% off per mailbox

$11/mailbox · 30 mailboxes included

$330/mo · 33% off billed annually

Get started

Email accounts

  • Up to 30 managed mailboxes
  • Azure mailboxes available*
  • Google / MS mailboxes
  • US billed accounts

Infrastructure

  • Deliverability configuration
  • Domain & mailbox management
  • DNS health monitoring + proactive alerts
  • Domain masking & forwarding
  • Automated 2FA & DNS setup
  • DNS monitoring
  • Blacklist monitoring
  • US / EU IP

Deliverability

  • Unlimited placement checks
  • Bounce monitoring
  • Premium warm up

Platform

  • Full admin panel access
  • Integrating top Sequencers (Instantly, Smartlead, Salesforce...)
  • Bulk profile customization
  • Unlimited projects

Support

  • Priority email support
  • Dedicated Slack channel
Add OnOne-time

Cold Email Infrastructure Consultation

$299· one-time charge

Invoiced separately

Scale

For large organisations.

$536/month43% off per mailbox

$8/mailbox · 100 mailboxes included

$800/mo · 33% off billed annually

Get started

Email accounts

  • Up to 100 managed mailboxes
  • Azure mailboxes available*
  • Google / MS mailboxes
  • US billed accounts

Infrastructure

  • Deliverability configuration
  • Domain & mailbox management
  • DNS health monitoring + proactive alerts
  • Domain masking & forwarding
  • Automated 2FA & DNS setup
  • DNS monitoring
  • Blacklist monitoring
  • US / EU IP

Deliverability

  • Unlimited placement checks
  • Bounce monitoring
  • Premium warm up

Platform

  • Full admin panel access
  • Integrating top Sequencers (Instantly, Smartlead, Salesforce...)
  • Bulk profile customization
  • Unlimited projects

Support

  • Priority email support
  • Dedicated Slack channel
  • Dedicated account manager
ComplementaryOne-time

Cold Email Infrastructure Consultation

Included· with your plan

No additional charge

Need a custom volume or enterprise setup? Talk to sales.

Don't just take our word for it.

Top performing sales teams rely on Mailflo to hit their quota month after month.

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500+ 5-star reviews

"Before Mailflo, we were constantly battling spam filters and struggling to scale our outreach. Within two weeks of switching, our open rates jumped from 22% to 68% and our pipeline is fuller than ever."

DJ
Deepshikha Jetwani
CEO Biofield Pharma
How we compare

Why teams pick Mailflo.

Most cold email setups cost more, take longer, and break under volume. Here's how Mailflo stacks up.

Feature
MailfloBest
Primeforge / MailforgeSending tools (Smartlead, Instantly)DIY Google / Microsoft
Time to first sendUnder 30 minutes30 – 60 minutes
ManagedFully Managed
Onboarding processSeamless
Real Google Workspace & Microsoft 365
Built-in warmup
Automated DNS (SPF, DKIM, DMARC)
Smart inbox rotation
Unlimited mailboxes
Sequences & campaigns
Works with your existing sending tool
Blacklist & deliverability monitoring
You hold full ownership of domains
Security (MFA)
Offboarding processSeamless
Cancel anytime, month-to-month

Frequently asked questions

Everything you need to know before you send your first campaign.

Talk to the team

Book a 30-minute demo.

See how Mailflo can plug into your stack — live walkthrough of mailbox provisioning, warmup, rotation, and sequences. No slides, no fluff.

  • Diagnose your SPF, DKIM & DMARC gaps live.
  • See why your emails are landing in spam.
  • Get a clear fix list you can action today.

Ready to dominate your inbox?

Join thousands of modern sales teams generating millions in pipeline with Mailflo. Setup takes less than 5 minutes.

Get Started Now

Free trial. No credit card required.