Steps
- Open the campaign → Email Accounts tab.
- Select the mailboxes it may use.
- Check the Throughput estimate on the Schedule tab for the combined capacity.
How rotation works
Volume is spread across the selected mailboxes rather than exhausting one at a time, and each mailbox's own daily and hourly limits are respected.
Important notes
- Mailboxes in an error state are skipped automatically.
- Removing a mailbox mid-campaign re-plans its unsent messages onto the others.
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