Inbox
Rotation
Scale your outreach without the risk. Spread your sending volume across dozens of accounts automatically to keep every inbox under safe daily limits.
Account Pool
Active Rotation
The Rotation Engine
Sending 1,000 emails from one account is a death sentence. Spreading 40 emails across 25 accounts keeps every inbox under safe daily limits and protects your sender reputation.
Dynamic Load Balancing
Automatically shifts volume from accounts nearing their daily limit to fresh accounts in your pool.
Sender Identity Sync
Maintain consistent signatures and names across every account in the rotation pool.
Per-Account Daily Limits
Set a safe daily send cap for every account so no single inbox exceeds its limit.
Auto-Pause Safety
Instantly stops rotation for any account that detects a "Temporary Error" or bounce spike.
Sequence Continuity
Ensure follow-ups are sent from the same address as the initial email for a natural thread.
Unified Lead View
Manage replies from all 50+ accounts in one single, organized Master Inbox.
One Inbox to
Rule Them All
Rotating accounts shouldn't mean checking 50 tabs. GrowZen's Unified Inbox pulls replies from every sender account into a single workflow.