Quick answer
Go to Warmup, identify the mailbox's current stage and health reason, then fix the named mailbox or authentication issue before you resume it.
What you need before starting
- Access to the workspace that owns the mailbox
- The mailbox connected and visible under Email Accounts
- Access to the mailbox connection if its setup needs attention
Step 1: Read the current status
Go to Warmup and find the mailbox. Check its stage, health indicator, current daily volume, and any pause or recovery reason shown in the row.
Step 2: Check the mailbox
Go to Email Accounts, open the same mailbox, and confirm it is active, connected, and not showing Setup required, Sending not ready, Verification required, or Error.
Step 3: Check mailbox readiness
In the mailbox details, review its status and follow the action shown if setup or sending readiness needs attention.
Step 4: Resolve the reason before resuming
- For a setup hold, complete the mailbox action shown and check again.
- For a bounce or complaint hold, stop campaign traffic from questionable lists and review the affected recipients.
- For a connection error, reconnect the mailbox and confirm the health check passes.
- For a slow Ramp Up stage with no warning, leave the ramp unchanged and allow it to progress.
What success looks like
The mailbox shows a healthy or recovering state, the blocking reason clears, and warmup resumes within its configured schedule. Activity can remain at zero outside that schedule or while higher-priority campaign traffic uses the available capacity.
Common problems
- Warmup is paused again after resuming — the underlying protection reason was not cleared.
- No activity today — the warmup window may be closed, or campaign traffic may be using the mailbox's available capacity.
- Mailbox is not ready — open its details and complete the required action.
- Mailbox looks healthy but does not progress — confirm it is active and its warmup schedule includes the current day.
Quick troubleshooting
- Refresh Warmup and read the newest reason.
- Open Email Accounts and check the mailbox status.
- Confirm today's warmup schedule is open.
- Resume only after the blocking status has cleared.
- Contact Support if the mailbox is active, the schedule is open, and no progress appears after the next scheduled window.
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