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Azure Infra

Cold email volume, engineered for cost

100 mailboxes on a single domain, 500 sends a day, one flat price. Azure infra is the lowest cost-per-email when you send at scale.

1 domain → 100 mailboxes
DOMAIN
500 sends / domain / day
5 emails/day per mailbox100 mailboxes/domain500 sends/domain/day$30/domain/month

Why Azure for cold email

When you're sending serious volume, per-mailbox pricing adds up fast. Azure flips the economics: a flat $30 per domain covers up to 100 mailboxes, and the ultra-conservative 5-emails-per-day-per-mailbox limit keeps every inbox pristine while the sheer number of mailboxes delivers the volume, 500 clean sends per domain per day. The result is the lowest cost-per-send of any option once you're past a few thousand emails a month. Spread risk across many low-volume mailboxes; pay a fraction per email.

Lowest cost-per-send at scale
100 mailboxes from 1 domain
Ultra-safe 5/day per inbox
Flat, predictable pricing
Azure Infra · specs
Daily / mailbox
5 emails
Mailboxes / domain
100
Domain capacity
500/day
Price
$30/domain/month
Includes
Up to 100 mb
Mailbox Calculator

How many mailboxes do you need?

Size mailboxes, domains and monthly cost for your outreach, and see what you save vs typical infra resellers.

How many emails each contact receives in your sequence

5 emails/day, Safe
100 mailboxes/domain, Optimal
That's 2,045 emails/day
45,000 total emails/month (Mon–Fri)
You'll need
5
domains
410
mailboxes
Azure infra$30/domain
Cost / 1k emails$3.33
DeliverabilityGood · built for scale
Monthly total$150
Savings with Icemail
$100/mo
$1,200 a year, 40% lower infra cost
Competitor
$250/mo
Icemail
$150/mo

Apples-to-apples vs Typical Azure infra reseller pricing ($50 / domain).

Get started, order your inboxes
14-day warmup timeline
Live at full volume

Based on 22 weekday sending days/month and provider daily limits. Estimate only.

1

Provision Azure mailboxes

Bulk-create with AI autofill in minutes.

2

Automated DNS setup

SPF/DKIM/DMARC set automatically so your mailboxes are authenticated and ready for your own warmup.

3

One-click export to your sequencer

Instantly, Smartlead, EmailBison, Reachinbox, Lemlist, one click.

One-click export

Export to any sequencer

Push your Azure mailboxes, fully authenticated, warmed and send-ready, straight into the cold-email tool you already use. No CSVs, no copy-paste.

Instantly
Instantly
Smartlead
Smartlead
EmailBison
EmailBison
Reachinbox
Reachinbox
Lemlist
Lemlist
Salesforge
Salesforge
Saleshandy
Saleshandy
Reply.io
Reply.io
Credentials, SMTP/IMAP, app passwords, handled automatically.

How the four mailbox types compare

Google
Highest
15/day per mailbox
3 mailboxes / domain
$2.5 /mailbox
Microsoft
High
15/day per mailbox
3 mailboxes / domain
$2.5 /mailbox
Azure
Good · built for scale
5/day per mailbox
100 mailboxes / domain
$30 /domain
IMAP/SMTP
Good · isolated IP
25/day per mailbox
10 mailboxes / domain
$18 /domain

Frequently asked questions

The most emails per dollar.