Send mail people actually receive.
Postafly gives teams a production-ready path for transactional email, campaign sending, and relay operations — with deliverability guardrails baked in from day one.
Postafly
- Send
- Activity
- Campaigns
- Relay
Delivery
98.7%
Complaints
0.1%
Sent
12k
Built to protect deliverability, not just report on it.
Domain authentication and alignment checks before mail leaves the queue.
Warmup stages and reputation-aware throttling for new sending domains.
Bounce and complaint thresholds that pause risky traffic automatically.
Signed webhooks and activity timelines for every send path.
Relay health monitoring with failover and operator alerts.
Organization-scoped API keys, roles, and audit trails.
Built for senders, marketers, and relay operators.
Transactional email
Queue-backed API and SMTP paths for password resets, receipts, and lifecycle messages at scale.
Campaign workflows
Batch sends with throttling, audience segmentation, and deliverability-aware scheduling.
Domain authentication
SPF, DKIM, and DMARC setup wizards with alignment verification before first send.
Relay operations
Self-hosted SMTP relay path with health checks, failover routing, and operator dashboards.
Guardrails before volume.
Postafly enforces bounce and complaint thresholds, warmup stages, and domain verification gates so risky traffic never scales unchecked.
2%
bounce warning
0.3%
complaint block
4
warmup stages