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Cold email infrastructure

Sending infrastructure from $1 a mailbox.

50 cold-email-ready mailboxes from $50 a month, on dedicated domains or subdomains you own. We handle the full DNS authentication, spam-safe redirection, and tracking setup, then hand everything over ready to import into any sequencer. You send, we keep it landing in the inbox.

Live in under 24 hours. Your domains stay yours. Cancel anytime.

Your prospect's inbox
Primary 3 Promotions Spam 0
  • DB Daniel Brooks Quick idea for your SDR team 2m Inbox
  • PN Priya Nair Re: intro from Tuesday's call 14m Inbox
  • MW Marcus Webb Saw you're hiring AEs, one thought 1h Inbox

Authenticated infrastructure lands in Primary. Spam stays at zero.

The problem

Infrastructure is where most cold email quietly dies

You can have a perfect list and perfect copy and still land in spam, because the unglamorous setup underneath was wrong. This is the part nobody wants to do, and the part that decides everything.
  • Google Workspace charging $7.20 per mailbox for software you never use
  • Hours lost hand-configuring SPF, DKIM, DMARC and MX records per domain
  • New tenants getting throttled or suspended for bulk outbound
  • Mailboxes landing in spam because redirects and tracking were set up wrong
  • Burned domains you have to re-buy and rebuild from scratch
What you get

Everything the inbox needs, handled for you

A complete, deliverability-first stack. You never touch a DNS panel or second-guess a TXT record again.

Full DNS automation

SPF, DKIM, DMARC, MX, and a custom tracking domain configured on every domain automatically. No DNS panels, no copy-pasting TXT records, no misconfigured mailboxes.

Live in under 24 hours

Order today, send tomorrow. Your domains are authenticated and connected to mailboxes in one batch, ready for warmup the moment they go live.

Spam-safe domain redirection

Every sending domain 301-redirects to your main website with masking that keeps redirect chains invisible to spam filters, so prospects who check the domain land on your real site.

Unified mailbox delivery

All mailboxes arrive in a single export with credentials, ready for one-click import into Instantly, Smartlead, EmailBison, Pipl.ai, or any sequencer you run.

Reputation-isolated setup

3 mailboxes per domain, conservative volume design, and infrastructure fully separated from your primary company domain. Your main domain reputation is never at risk.

AI monitoring & free replacements

An AI watchdog tracks authentication health and blacklist status around the clock. If a domain or mailbox burns out, we replace it free and rotate the new one into your export.

Pricing

Pick a plan. Start sending tomorrow.

Flat per-mailbox pricing, billed monthly. Choose your volume, check out with Stripe, and your stack is live in under 24 hours.

Not sure how many? Size it in ten seconds

6,000 sends a month needs about 12 mailboxes. One 50-mailbox block covers it with headroom: 4 root domains on Dedicated, or 1 root you own on Subdomains.

Assumes 25 sends per mailbox per day and 3 mailboxes per domain, the safe defaults we run.

Most popular

Dedicated domains

Every sender on its own root domain.

$50 /mo

$1.00 per mailbox

You save $310/mo vs Google Workspace

Get started
  • 3 mailboxes per dedicated domain
  • You register the roots, about $9/yr each
  • Maximum reputation isolation
  • Our pick for 100+ mailboxes

Subdomains

Runs on a root domain you already own.

$60 /mo

$1.20 per mailbox

You save $300/mo vs Google Workspace

Get started
  • 3 mailboxes per subdomain
  • 1 root domain covers a full block of 50
  • No new domains to buy
  • Fastest way to get live

Stripe checkout. Cancel anytime. Live in under 24 hours.

Scaling past 500 mailboxes?

Volume pricing, aged domain options, and multi-workspace setups. We scope it on one call.

Book a volume call

Included in both plans

  • SPF, DKIM & DMARC verified
  • Custom tracking domains
  • Spam-safe masked redirects
  • One-click sequencer import
  • AI monitoring around the clock
  • Replacement insurance included, free

You bring

  • Your sending domains bought at any registrar for about $9 a year each; ownership never leaves your account
  • Your sequencer Instantly, Smartlead, or whatever you already run campaigns in

We handle

  • Everything technical mailboxes, SPF, DKIM, DMARC, MX, tracking domains, masked redirects
  • Everything ongoing monitoring, blacklist checks, free rebuilds, and your unified sequencer export
The math

Why teams switch to us

The same 50 mailboxes, three ways. The difference is real money and real hours every single month.
DIY Google Typical provider Mail2Lead
Price per mailbox $7.20/mo + your time $2.50 to $4.00/mo From $1.00/mo
50 mailboxes, monthly ~$360 + setup hours $125 to $200 From $50
DNS authentication Manual, per domain Automated Automated & verified
Domain redirection Manual, often skipped Sometimes extra Included, spam-safe masking
Tracking domains Manual CNAME setup Sometimes included Included per domain
Sequencer import One mailbox at a time CSV export Unified one-click export
Burned asset replacement Buy again, redo setup Paid or slow Free, rotated automatically
Setup time Days of admin work 1 to 5 days Under 24 hours
Domain ownership Yours Often theirs Always yours, registered by you
How it works

From order to sending in four steps

No onboarding marathon. You answer a short form, we do the rest.
01

Point your domains at us

Buy your sending domains at any registrar (about $9 each per year) and share access in a short form with your naming style and sequencer. Five minutes, tops.

02

We configure everything

DNS authenticated, mailboxes created, redirects masked, tracking domains attached. All verified and handed over in under 24 hours.

03

One-click import

You receive a unified export with every credential. Import into Instantly, Smartlead, or any tool in one upload and start warmup immediately.

04

We keep it healthy

Ongoing authentication and blacklist monitoring with free replacement of any burned asset. You scale blocks up or down monthly.

Imports into the tools you already use

Instantly Smartlead EmailBison Pipl.ai Reply.io lemlist Clay Apollo
FAQ

Infrastructure questions, answered

The things every serious sender asks before they switch.

Google Workspace prices per human user with Docs, Drive, and Meet attached. Cold email mailboxes need none of that. We provision lean SMTP-grade mailboxes purpose-built for outbound sending at volume, which removes the per-seat software cost entirely.

Dedicated domains ($1.00 per mailbox) give every sending identity its own root domain, which is maximum reputation isolation and our default recommendation at scale. Subdomains ($1.20 per mailbox) run on roots you already own, 1 root domain per block of 50 mailboxes, so you skip buying ~17 dedicated roots and go live faster; the slight premium covers creating and authenticating every subdomain individually. If you're testing the channel, start with subdomains. If outbound is a core channel, go dedicated.

No, and that's deliberate. You register your own sending domains at any registrar (roughly $9 per year each), so ownership never touches our hands. We take it from there: DNS, authentication, redirects, tracking, and mailboxes are all on us. If you ever leave, everything keeps working because it was yours the whole time.

Any tool that accepts SMTP/IMAP or bulk mailbox import: Instantly, Smartlead, EmailBison, Pipl.ai, Reply.io, lemlist, and most others. The export ships in the exact column format your tool expects.

They ship warmup-ready with authentication verified, and we recommend 2 to 3 weeks of warmup in your sequencer before full volume. If you need sending capacity sooner, ask about our aged domain options.

Each sending domain forwards visitors to your main website. A naive redirect chain is a spam signal, so we mask the forward so mailbox providers see a clean destination while prospects who type the domain still land on your real site.

We monitor blacklist and authentication status continuously. If a domain burns, we rebuild free of charge: full DNS setup on a replacement domain you register, mailboxes recreated, and an updated export sent to you, usually within one business day.

Under 24 hours from the moment you share domain access. Most orders are handed over the same day. The only thing that ever slows it down is DNS propagation at your registrar, which we can't control but rarely adds more than a few hours.

Yes, capacity is sold in blocks of 50 at the same $50 rate: 100 mailboxes for $100, 250 for $250, and so on. Volume pricing kicks in past 500 mailboxes, just ask.

No, and we're upfront about why: every order provisions real domains, mailboxes, and DNS work that cost real money on day one. The monthly rolling plan is the trial. No setup fee, no contract, cancel anytime, and your domains stay yours when you go. Most serious providers in this space work the same way.

Neither, and that is deliberate. Workspace and 365 are increasingly hostile to bulk cold outbound on new tenants. Our private infrastructure runs on clean US IP space engineered specifically for cold email, with reputation isolated from big-tenant crackdowns.

Stop fighting your inbox. Start sending.

Pick your mailbox volume above and check out in two clicks, or book a 15-minute call and we'll map your sending setup together first.

  • Live in 14 days
  • Off-spec leads replaced free
  • Month-to-month, cancel anytime

No pressure, no obligation. Just a clear plan you can use with or without us.