Product

Everything you need for high-performing outreach

InboxBox combines sequence automation, inbox warmup, reply management and deliverability tools into one workflow — built for teams that need reliable results without the complexity.

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Campaign overview
87%
Open rate
23%
Reply rate
5.2%
Conversion
View integrations

Core features

Sequence automation

Create multi-step, behavior-driven sequences with personalized variables and conditional paths based on opens, clicks and replies.

Deliverability tools

Inbox warmup, rotation across mailboxes, SPF/DKIM guidance and live spam-score checks to keep your sender reputation healthy.

Shared inbox

All replies flow into a collaborative inbox with assignments, internal notes, templates and read receipts for team efficiency.

Analytics & A/B testing

Track opens, clicks and replies. Run subject and content A/B tests to discover what actually moves the needle.

Integrations

Connect Gmail, Outlook, HubSpot, Salesforce, Pipedrive and Zapier for a frictionless workflow and two-way sync.

Security & compliance

Role-based permissions, audit logs and secure OAuth connections so teams meet compliance requirements without friction.

Feature highlights

Smart sending & rotation

Distribute sends across multiple inboxes, throttle by domain, and pause automatically when deliverability signals drop — all to maximize inbox placement while minimizing risk.

  • Automatic rotation and pacing
  • Domain-level throttling and limits
  • Pause on spike in bounces or spam complaints
Read rotation docs

Reply management

Turn replies into deals: assign to reps, insert private notes, use templates and send one-off responses from the same shared interface.

  • Assign and snooze conversations
  • Internal notes and @mentions
  • Quick reply templates & snippets
See inbox docs

Deliverability insights

Proactive alerts, spam-score previews and recommendations to improve inbox placement — actionable insight, not just raw numbers.

  • Spam score preview before send
  • Alerts for high bounce or complaint rates
  • SPF / DKIM / DMARC setup guidance
Deliverability guide

Integrations

Connect to the tools your team already uses for a seamless workflow.

Gmail & Google Workspace
OAuth-based sync for sending and reply management.
Microsoft Outlook
Connect Exchange and Outlook accounts for sending and tracking.
HubSpot
Two-way contact sync and activity logging.
Salesforce
Push replies and campaign activity into CRM records.
Pipedrive
Sync deals and lead status automatically.
Zapier
Connect InboxBox to 3,000+ apps for custom workflows.

Ready to use these features?

Choose a plan that fits your team — start with a free trial and upgrade as you scale.

View plans

Frequently asked

Can I run multiple sequences at once?

Yes — InboxBox supports multiple concurrent sequences with per-sequence throttling and prioritization.

How does InboxBox protect deliverability?

We combine inbox warmup, rotation, spam-score previews and automated throttling to reduce bounces and complaints.