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Transactional and marketing email

Bounces, suppression, limits and automatic pauses

What happens to addresses that bounce or complain, new account limits and the event webhook.

  • Bounce: the address doesn't exist or doesn't accept mail. It goes to your Suppression list and won't be emailed again.
  • Complaint: the person marked your email as spam. It also goes to suppression and can't be removed from the dashboard.
  • Unsubscribe: they left your campaigns.
  • Retrying: the receiving server asked us to wait; we keep trying for several hours.

Limits

Each plan has a monthly and per-minute cap. New accounts also start with a low daily cap: we raise it once we see your emails arrive well (you can ask from Support).

If an account goes over 8% bounces or 0.3% complaints in 7 days, it's paused automatically and we email you. This usually happens with old or purchased lists.

Event webhook

In the Webhook tab, add an https:// URL on your system and we'll POST every event (sent, bounce, complaint, open, click, unsubscribe, failed), signed with the X-Fodenflow-Firma header (HMAC-SHA256 with your secret).

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