We know infra. 1M+ emails a day sent from ours. (seriously!)

Cold email infrastructure with world class deliverability.

Free domains. Free mailboxes. Warmup, rotation and AI-written sequences that actually get answered. You bring the ICP, Sender Pools does everything after that.

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Want to chat with a deliverability expert? Book a call

$0 domains & mailboxesCancel anytimeLive in 10 minutes
INBOX PLACEMENT97.4%
REPLY RATE1.4×vs. industry avg.
How it works

You build the ICP. We build everything else.

Upload contacts, get a delivery deadline. Sender Pools spins up domains and mailboxes, warms them, writes and times every email, then rotates whatever underperforms, automatically.

See pricing

  1. YouUpload ICP, get a deadline

    Step 1

  2. UsWe build domains + mailboxes

    Step 2

  3. Warm, write, send, verify

    Step 3

  4. Rotate what underperforms

    Step 4
    Mailboxes live312
    Warming48
    Rotated today6
    ICPHotel owners · 461 contacts
    DeadlineEvery contact reached in 24 days
    StatusSending
Wait, what?!

FREE DOMAINS?!
FREE MAILBOXES?!
WHAT?!

Yep. The stuff every other tool invoices you for, secondary domains, Google and Microsoft mailboxes, warmup, costs exactly nothing here. Not a trial. Not "first 5 free". Zero.

$0 domains$0 mailboxes$0 warmup$0 setup
$0 stack of colorful coins
Your infra bill
Forever. Seriously.

Here's everything that is under the hood for free.

Other platforms charge you for the domains, the mailboxes, the warmup and the seat, then make you stitch it together. We cover the infrastructure. You pay for sends that land.

  • DOMAINS

    Free .com domains

    Secondary domains for cold email, bought and configured for you.
  • MAILBOXES

    Free Google mailboxes

    Workspace inboxes provisioned, authenticated and warmed.
  • MAILBOXES

    Free Microsoft boxes

    M365 mailboxes when your ICP lives in Outlook.
  • MAILBOXES

    Free SMTP mailboxes

    High-volume SMTP for the long tail.
  • SENDING

    Drip sequencing

    Every message at the recipient's most likely reading time.
  • SENDING

    AI copywriting

    A first and second touch written for the person, not the list.
  • DELIVERABILITY

    Auto IP / infra rotation

    Performance dips? The mailbox is swapped before it hurts you.
  • DELIVERABILITY

    Continuous warmup

    Reputation kept healthy for as long as the box is live.
  • SCALE

    Auto scaling

    Mailboxes and domains grow, or shrink, with outreach results.
  • REPLIES

    Merged inbox

    Every reply from every mailbox in one place. No hot lead missed.
  • DELIVERABILITY

    Email verification

    Each recipient checked before a single send goes out.
  • DELIVERABILITY

    High deliverability

    Infrastructure tuned to one outcome: the primary inbox.
Mailboxes onGoogle WorkspaceMicrosoft 365SMTP
The upgrade

Sender Pools replaces literally any cold email and infrastructure tool you've ever used.

Domains, mailboxes, warmup, sequencing, copy, inbox. The whole stack. One login.

From
  • Smartlead Alternative
  • Instantly Alternative
  • Reply Alternative
  • Hypertide Alternative
  • ScaledMail Alternative
  • EmailBison Alternative
  • Zapmail Alternative
  • Maildoso Alternative
+ the spreadsheet, the domain reseller, the warmup tool, the seven Slack channels…
ToSender PoolsEverything above. $0 infra. One tool.
97.4%inbox placementAcross every mailbox in the network last 30 days. Spam-folder sends get the mailbox rotated, not you.
1.4×the reply ratevs. the same lists sent on legacy tools. Right mailbox, right time, copy written for the recipient, not the segment.
$0infrastructure billDomains, mailboxes, warmup, verification, rotation. Included. Forever. Not a trial.
Switching is free too

Bring your lists. Leave the bills.

We migrate your campaigns, contacts and sequences from any provider in a day, and hand you fresh, pre-warmed infrastructure on the other side.

It's nicer here. Jump in.

Join thousands of cold emailers sending on Sender Pools. Your first pool is live in 10 minutes.

Start sending