Email delivery monitoring
Watch your mail flow the way it actually behaves.
Probe-driven, round-trip measurement. Real SMTP, real forwarding, real auth checks. Catch drift before customers do.
- Free forever — up to 3 domains, 5 monitors
- 90 days of history, public status pages
- Open REST API · no credit card
Sign up · takes 60 seconds
Spin up your first monitor in five minutes.
Verify your domain with a DNS TXT record, point an alias at our IMAP inbox, and we'll start round-tripping probes through your real production path.
- No credit card, no trial expiry
- Email is the only credential we store
- Delete your account in two clicks, anytime