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InstantCampaign delivers mail for every workspace through shared infrastructure. One sender with a bad list raises bounce and complaint rates for everyone, and mailbox providers and our own upstream provider judge the platform as a whole. This policy is what keeps that from happening, and it is applied the same way to every workspace.

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The limits

Measured over the last 7 days, once a workspace has sent at least 200 emails in that window: Two things count regardless of volume:
  • One send that bounces 10% or more of its recipients (once it has reached 100 people). A single import of a stale or bought list looks exactly like this.
  • A sending domain listed on a public blocklist (Spamhaus, SURBL, Barracuda).
The at-risk lines are the ones Amazon SES, Mailgun and Postmark apply to their own customers, and Gmail and Yahoo require bulk senders to stay under a 0.3% spam rate with a target of 0.1%. Staying inside them is what keeps your mail in the inbox.

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What is not allowed

  • Purchased, rented, scraped, appended or otherwise third-party lists.
  • Sending to people who did not ask to hear from you, or who unsubscribed.
  • Hiding who you are or why the person is receiving the email.
  • Removing or hiding the unsubscribe link.

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What happens when a workspace crosses a limit

The evaluation runs once a day.
1

Watch

A workspace at the watch lines is noted for our team. Nobody is emailed and nothing changes for you; it is the point to look at Bounce management before it matters.
2

Warning

A workspace at an at-risk line gets an email to its owner with the exact numbers, this policy, and a 72-hour deadline. Every owner and administrator also sees a banner in the app with the same numbers until the review ends.
3

Review

If the numbers are still above the at-risk lines after the deadline, our team reviews the workspace and may suspend sending. A suspended workspace cannot send campaigns or automations, its API keys stop working, and members see a suspension notice. Suspension is always a decision by a person, never automatic.
4

All clear

Once the numbers stay inside the limits for 7 consecutive days, the review closes on its own. If a workspace is flagged again within 90 days, the earlier case counts against it.

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What to do if you are warned

  1. Open Analytics → Bounce management and suppress every address that bounced. They will not be mailed again.
  2. Remove any list you did not collect yourself, and anything older than a year that has not been mailed since.
  3. Turn on double opt-in for your forms and lists (Double opt-in).
  4. Send your next campaign to a segment of people who opened or clicked in the last 90 days, then widen from there.
  5. Reply to the warning email if you think the numbers are wrong. A person reads every reply.

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Where to see your own numbers

Analytics → Overview shows your bounce, complaint and unsubscribe rates for any period. Deliverability shows each sending domain’s reputation, blocklist state and warm-up. The banner during a review shows exactly what the evaluation measured.