Plans of $1,000 or above unlock up to 5 mailboxes per domain. Manage them, warm them, export them and protect every domain with InfraGuard, all from one platform.
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Mailboxes per domain on $1,000+ plans
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InfraGuard checks per domain
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Tools in one platform
At volume, email infrastructure is spread across too many tools.
Domains, mailboxes, warm-up, validation and placement testing each live somewhere different.
Too many domains to watch by hand
Blacklists, DNS and bounces change quietly. Without monitoring, the first sign of trouble is a drop in replies.
Tools that don't talk to each other
Mailbox setup, warm-up, list cleaning and placement tests in separate products means separate logins and separate numbers.
No single view of performance
Sent, received, reply rate and bounce rate are hard to compare across hundreds of mailboxes without one dashboard.
The full Infrabox workflow, with more room per domain.
Domain management, mailboxes, warm-up, export and Email Insights, plus the add-ons.
Connect
my domain
Buy
mailboxes
Up to 5 mailboxes per domain
Plans of $1,000 or above raise the limit from 3 to 5 mailboxes on every domain you manage.
Mailboxes from any provider
Buy mailboxes or connect Google Workspace, Microsoft Outlook, Microsoft Azure and custom providers, with automated setup.
devon.shaw@
Mailbox ready
IMAP + SMTPYour sequencer
Step 1: connect inbox
Warm-up and export at scale
Warm every mailbox on our network, then select, choose a sequencer, export and track progress in bulk.
Reviewed quarterly with your deliverability contact
Email Insights across the fleet
Emails sent and received, reply rate, bounce rate, health status and overall performance for every mailbox.
Clear limits and full coverage.
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Mailboxes per domain on $1,000+ plans
$0
Warm-up per mailbox / month
0
InfraGuard checks per domain
0
Deliverability add-ons
What larger teams ask first
You can create up to 5 mailboxes per domain instead of the standard 3, alongside everything else in the platform.
You can buy mailboxes through Infrabox or connect Google Workspace, Microsoft Outlook, Microsoft Azure and other custom providers.
Domain score, blacklists, DNS, bounces and IP / IPT, shown per domain so you can find infrastructure issues that affect deliverability.
Inbox Placement compares where your email lands, inbox versus spam or junk, and shows the percentage for each.
Export them: select the mailboxes, choose the sequencer, export and track progress in the platform.
Domain, score, blacklist, DNS, bounce and IPT at a glance.
InfraGuard watches the health and reputation of every domain, so infrastructure issues surface before they affect deliverability.
InfraGuard
Domain protection
Domain → Score → Blacklist → DNS → Bounce → IPT
Inbox Placement
Email Validate
8,412
Valid
611
Catch-all
277
Invalid
“Five mailboxes per domain and InfraGuard on every domain gave us one place to run and watch our whole sending setup.”
Deliverability tools on top of the platform
InfraGuard
Domain protection, domain score, blacklist monitoring, DNS checks, bounce monitoring and IP / IPT monitoring.
Email Validate
Check email validity, deliverability, mailbox status and catch-all status before a campaign.
Inbox Placement
Compare how much of your email lands in the inbox versus spam or junk.
A direct line to our team
Talk to the Infrabox team when you plan domains and mailbox volume.
Automated mailbox setup
Less manual work when you configure mailboxes in large batches.
Export progress tracking
Follow every export to your sequencer from start to finish.
Run your whole sending setup on one platform.
Talk to our team about a $1,000+ plan with up to 5 mailboxes per domain and the add-ons you need.
Built for other teams too