Product / Inboxes and domains

Inboxes and domains, ready to send.

Buy Google or Outlook inboxes for $5/month and domains for $13/year inside SuperSend, or connect the inboxes you already have.

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Senders
Placement test
9/10
landed in inbox
Warmup
  • alex@trynorthwind.com97%
  • alex@getnorthwind.com94%
  • sam@trynorthwind.com71%

sam@trynorthwind.com flagged: bounce rate above 3%

What you can do

1

Buy inboxes

Google, Outlook or SMTP inboxes for $5/month each, bought and managed inside SuperSend.

2

Buy domains

Sending domains for $13/year, with SPF, DKIM and DMARC records set up for you.

3

Microsoft 365 packs

50 Microsoft 365 inboxes on one domain for $49/month.

4

Bring your own

Connect Google, Outlook or any SMTP/IMAP inbox, or bulk-connect from Mailreef, Infraforge, Maildoso, Zapmail or MissionInbox. See all inbox partners.

5

Inbox rotation

Campaigns spread sends across all your inboxes so no single sender carries the load.

6

Daily limits per inbox

Set how many emails each inbox sends per day.

Works even better with

Cold email sequencesCold email that reads like you wrote it.Learn more LinkedIn outreachLinkedIn steps, in the same sequence.Learn more Unified inboxEvery reply, in one inbox.Learn more

Inboxes and domains questions

Should I send cold email from my main domain?

We recommend separate sending domains so your main domain’s reputation stays safe.

How soon can a new inbox send campaigns?

Warmup starts right away. We recommend about 14 days of warmup before campaign email, and campaign review warns you if an inbox is newer.

Can I move inboxes over from another tool?

Yes. Connect them by SMTP/IMAP, or bulk-connect from a supported provider with one API key.

Start your first sequence today.

Connect an inbox, add your LinkedIn, and build your sequence. Set up free, no card. 7-day free trial when you launch. Plans from $59/month.

Get startedSee pricing