Mailbox Rotation
Spread your sending load across multiple mailboxes to protect your sender reputation. Rotation distributes campaign emails across all assigned mailboxes automatically.
Why rotate mailboxes?
Sending all your outreach from one email address can:
- Trigger spam filters — High volume from a single sender raises red flags
- Exhaust daily limits — Gmail and other providers have per-account sending limits
- Concentrate reputation risk — One bad campaign can burn your only sending address
Mailbox rotation solves all three.
How it works
- Assign multiple mailboxes to a campaign
- WorkOnward Reach distributes sends across all assigned mailboxes
- Each email goes out from a different mailbox in rotation
- Replies go back to the sending mailbox, maintaining thread continuity
Set up rotation
- In the campaign creation wizard (Step 4: Settings), find the Mailbox section
- Click Add Mailbox to assign additional mailboxes
- Select from your connected Gmail accounts
- All selected mailboxes will share the sending load
Tip: Connect 3-5 Gmail accounts for optimal rotation. Each account handles a fraction of the volume, keeping individual sending rates low.
Rotation behavior
| Aspect | How it works |
|---|---|
| Distribution | Sends are distributed evenly across all mailboxes |
| Reply tracking | Replies are routed to the mailbox that sent the original email |
| Failed mailbox | If one mailbox goes down, others continue sending |
| Daily cap | The campaign’s daily cap is shared across all mailboxes |
Tips
- Use mailboxes on the same domain — [email protected] and [email protected] look natural
- Warm up new mailboxes — Don’t add a brand-new account to a high-volume campaign immediately
- Monitor mailbox health — Check the mailbox status page regularly
Next step: A/B test your subject lines