Email delivery reporting · Bounce analysis · Data exports
BigStats consumes your MTA's event webhooks in real time and turns raw delivery, bounce, open and click traffic into deliverability reporting your team can actually act on.
Ingest
POST /api/public/ingest/greenarrow?key=ga_live_…
{"type":"bounce","recipient":"user@gmail.com","smtp_code":550,
"dsn":"5.1.1","diagnostic":"user unknown","sending_ip":"198.51.100.7"}
→ classified: hard · invalid_recipient · isp=gmailAttempted, delivered, deferred, bounced, opened, clicked, complaints and unsubscribes with period-over-period deltas and a composite health score.
Every receiving domain rolled into Gmail, Microsoft, Yahoo and corporate buckets, with delivery, bounce and open rates side by side.
Hard/soft split, category classification from SMTP and DSN codes, sample diagnostics, and per-sending-IP bounce pressure.
Pick exactly the data elements you need — opens, clicks, detailed bounce fields — and pull them as CSV or through a read-only JSON API.
Supported MTAs
Every event lands in the same reports and exports, so your team reads one consistent view of delivery.
Full Event Notification System coverage — injections, deliveries, deferrals, bounces, opens, clicks, unsubscribes and complaints, with DSN and SMTP response parsing.
FAQ
Still stuck?