Sub-50ms transactional dispatch worldwide
When a user signs up or requests a password reset, delays kill conversion. Mailofly's global edge network ingests and delivers email via the nearest geographic data center.

Global API ingest latency
Worldwide edge dispatch points
High-availability SLA
Engineered for developer velocity
Anycast edge routing
Requests route automatically to the closest healthy edge node, minimizing TCP handshake and TLS negotiation latency.
Regional data residency
Store customer data and send emails exclusively from EU or US data centers to satisfy local privacy mandates.
High-concurrency queues
Scale from 10 emails to 1,000,000 without hitting rate limits or queue backpressure.
How it works
Call our unified API
POST to https://api.mailofly.com/v1/send with your transactional email payload.
Edge ingestion
Your nearest edge hub verifies authentication, renders variables, and queues the send.
Direct ISP handoff
Traffic dispatches via dedicated TLS connections straight to the recipient's mail provider.
Explore related features
Smart dynamic routing
Intelligently routes traffic to the fastest regional servers and fallback SMTP providers based on ISP latency and deliverability health.
Automatic IP warmups
Intelligent hourly and daily rate governors gradually build domain and dedicated IP reputation automatically so you never trigger spam velocity blocks.
Built-in redundancy
Redundant storage queues, automated exponential retries, and cross-region replication guarantee 99.99% availability for mission-critical notifications.
Ready to build with Global edge network?
Join thousands of engineering teams delivering transactional and lifecycle email with blazing speed and zero downtime.