Infrabox
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Cold-email infrastructure

A domain that can send, handed over finished.

Buy a domain and Infrabox does the rest — registers it, connects DNS, provisions Google Workspace mailboxes on it, publishes MX, SPF, DMARC and DKIM, gets the domain verified with Google, and hands you a sending credential that has already been tested.

Get startedSee the eight steps

$3.99 / mailbox / month

  • Google Workspace
  • 8-step pipeline
  • SMTP to your own tool
Provisioning run8 steps

  1. 01Workspace order

  2. 02Admin account

  3. 03Activation

  4. 04Workspace & DNS

  5. 05Domain verification

  6. 06DKIM signing

  7. 07Sending credential

  8. 08Renewal

No console · no app password · no clicking

01what you get

A mailbox that is finished, not one that is started.

Everything below is done before the mailbox is handed over. There is no post-purchase checklist and no Admin Console session waiting for you.

Domain registered for you

Bought in your account and pointed at DNS we manage, so the records the mailboxes need can actually be written.

Workspace, no signup form

Your domain is attached as a secondary domain and its admin account is created for you. You never see the wizard.

MX, SPF and DMARC

Published at provisioning time with the values Google expects — not left as a support article for you to follow.

Domain verification

The ownership proof Google demands before a domain may send is published and confirmed on your behalf.

DKIM, actually switched on

Key generated, published to DNS and signing enabled for the domain. Not a checklist item you inherit.

A verified credential

The sending credential is checked against Google before hand-off. No app passwords, no per-mailbox secrets to store.

Plain SMTP

Point the sequencer you already use at the mailboxes. Infrabox sits underneath your sending tool, not in place of it.

Retries, not failures

A step that is merely slow is retried on its own schedule. Verification alone gets 40 attempts before anyone calls it broken.

02how it works

Eight steps, run in order, without you.

Each step has to finish before the next one starts, and the pipeline reports which step it is on the whole way through.

Read the detail
  1. 01

    Workspace order

    The Workspace order for your domain is placed and confirmed.

    ≈ 15 min
  2. 02

    Admin account

    The admin account that owns this domain's mailboxes is created.

    ≈ 15 min
  3. 03

    Activation

    Google confirms the new account is live and in good standing.

    ≈ 30 min
  4. 04

    Workspace & DNS

    MX, SPF and DMARC records are published for the domain.

    ≈ 20 min
  5. 05

    Domain verification

    Google is asked to confirm you own the domain. Google sets the pace here.

    ≈ 5 hr
  6. 06

    DKIM signing

    A DKIM key is generated, published to DNS and switched on.

    ≈ 30 min
  7. 07

    Sending credential

    A working sending credential is minted and verified against Gmail.

    ≈ 20 min
  8. 08

    Renewal

    The renewal schedule is set so the mailbox keeps running.

    ≈ 5 min
Domain verification is the long pole. Google will not let a domain send until it has proved ownership of it, and nameserver and DNS propagation is genuinely slow. That step alone budgets 5 hr and retries for hours rather than failing a domain that is simply still propagating. The durations above are the same per-step estimates the dashboard shows during a run — estimates, not a service level. We do not quote a single headline setup time, because Google controls the slowest part of it.

03by hand vs infrabox

The same eight things happen either way.

This is not a competitor table — we have no verified data about anyone else's product. It is the job itself, done the way most teams do it today and the way Infrabox does it.

Domain and DNS

Registration, nameservers and the records mail needs

By hand

Two vendors, copied across by hand

Infrabox

Registered and wired in one pass

Workspace account

Creating the Workspace and the admin that owns the mailboxes

By hand

Signup wizard, once per domain

Infrabox

Yes

MX, SPF, DMARC

The records that decide inbox versus spam

By hand

Hand-edited, easy to get subtly wrong

Infrabox

Yes

Domain verification

Google's ownership proof before a domain may send

By hand

Publish, wait, re-check, repeat

Infrabox

Retried automatically for hours

DKIM signing

Only exposed through the Google Admin Console

By hand

No

Infrabox

Yes

Sending credential

A credential your tool can actually authenticate with

By hand

An app password per mailbox

Infrabox

Minted and verified against Google

The hundredth mailbox

What the work looks like at scale

By hand

The same session, a hundred times

Infrabox

The same pipeline, a hundred times

Seeing progress

Knowing which part is done and which is waiting

By hand

Nowhere in particular

Infrabox

Per-step status in the dashboard

04pricing

Per mailbox, per month

$3.99/ mailbox / mo

Plus the domain. Nothing for the provisioning itself.

The eight steps are the product, so they are not a separate line item. Domains are priced per TLD on top of the mailbox price.

  • Domains carry a $6 markup over the registrar's price, or $10 once a domain is 1+ year old.
  • Pre-warmed domains are listed separately, at their own price.
  • Checkout quotes the final price for the exact domain you pick.
See full pricingTalk to us

Domain, per year

Base domain price per year by top-level domain, and the pre-warmed price where one is listed.
TLDBasePre-warmed
.com$12.50$15.00
.net$15.00$17.50
.org$9.00$11.50
.co$14.99$12.50
.shop$2.00$4.50

Base prices before the markup above.

05faq

Questions, answered plainly.

Where the honest answer is “not yet”, that is the answer you will get here.

What exactly does Infrabox provision?

A domain and Google Workspace mailboxes on it, set up end to end: the domain is registered and pointed at DNS we manage, the Workspace and its admin account are created, MX, SPF and DMARC are published, Google's domain verification is completed, DKIM is generated and switched on, and a sending credential is minted and verified before it is handed to you.

Do I need a Google login or an admin password?

No. The platform holds the admin credential for the Workspace so the rest of the pipeline can run without you. You never see a Workspace signup form, and there is no Admin Console session to sit through per domain.

How long does a mailbox take?

We do not quote a single headline setup time, because the slowest step is not ours to control. Domain verification alone budgets several hours of retries: Google decides when it is satisfied, and DNS propagation cannot be hurried. The dashboard shows which of the eight steps a mailbox is on the whole way through, with the same per-step estimates this site quotes.

Can I keep using my own sending tool?

Yes — that is the point. The mailboxes speak ordinary SMTP, so you point the sequencer you already use at them. Infrabox is the infrastructure underneath your sending tool, not a replacement for it.

What happens if a step fails?

A step that is merely slow is retried rather than failed. Domain verification carries its own retry policy of 40 attempts on a backoff that widens to fifteen minutes, precisely because nameserver delegation routinely takes hours. A step that genuinely cannot complete surfaces as a failure on that mailbox, naming the step it stopped at, rather than disappearing.

Do you support Microsoft 365, Azure or plain SMTP mailboxes?

Not today. Google Workspace is the whole of the current product. We would rather say that plainly than list providers that are not built yet.

What does it cost?

Mailboxes are $3.99 per mailbox per month. Domains are priced per TLD, with a $6 markup over the registrar's price, or $10 once a domain is 1+ year old. Checkout quotes the final price for the exact domain you choose.

Get started

Tell us what you need to send.

How many mailboxes, on how many domains, and which tool you send with. We will tell you what it costs and what the pipeline will do with it.

Get startedSee pricing