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Email campaigns

Send a broadcast to a segment, and the checks that run before a single message goes out.

2 min readUpdated August 2026
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Sending a broadcast

  1. Open Email Campaign
  2. Pick a segment, or paste recipients manually
  3. Choose a sender address — it must be verified
  4. Write the subject and body, or draft with AI
  5. Send a test to yourself
  6. Send

What happens before delivery

Several checks run in order, and any of them can stop the send:

CheckBehaviour
Sender authorisedThe from-address must belong to your workspace
Monthly allowanceThe whole batch is reserved up front, not per message
UnsubscribesAnyone who opted out is skipped
Rate pacingSent in chunks with a pause between, protecting your reputation

The allowance is reserved for the entire batch before the first message sends. A broadcast that would exceed your plan is refused outright rather than sending half of it and stopping — a half-sent campaign is a worse outcome than an unsent one.

Always send a test first

The test goes through the identical path as the real send, so it catches a broken sender address, a mangled template, and a subject line typo in one go.

Unsubscribe handling

Every campaign email gets an unsubscribe link automatically. You do not need to add one, and you should not remove it — it is a legal requirement in most jurisdictions and removing it damages your sending reputation regardless.

Unsubscribes are honoured across your whole workspace immediately.

See Unsubscribes and compliance.

Deliverability basics

  • Authenticate your domain before your first campaign — see Verify your sending domain
  • Warm up gradually; a brand-new domain sending 50,000 emails on day one will be filtered
  • Send to people who asked to hear from you; purchased lists destroy a sending domain permanently
  • Watch bounce rates and remove hard bounces promptly

See Email deliverability.

Transactional vs marketing

Campaigns are marketing mail. Support replies are transactional and are not subject to campaign allowances or unsubscribe suppression — someone who unsubscribed from your newsletter still gets a reply when they email support.

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