Built for Speed,
Engineered for Scale.
Pixel SES is designed around a zero-compromise architecture. Every component is optimized for sub-millisecond overhead and carrier-grade reliability, delivering emails at the speed your business demands.

Key Metrics
Real-world performance numbers from our production infrastructure.
Infrastructure Specs
Our distributed platform is engineered for mission-critical workloads with automatic failover and horizontal scaling.
Distributed SMTP Relays
Stateless relay nodes across 12 global regions with automatic DNS-based failover and load balancing.
Intelligent Queue Processing
Priority-based queuing with real-time backpressure handling ensures zero message loss even under peak load.
Persistent Message Store
Full audit trail with 30-day log retention. All delivery metadata is indexed for instant query and replay.
Live Benchmarks
Protocol & Security
Enterprise-grade security and protocol compliance out of the box.
Encryption
- TLS 1.2 / 1.3 enforced
- STARTTLS opportunistic upgrade
- End-to-end relay encryption
Authentication
- SPF record validation
- DKIM 2048-bit signing
- DMARC policy enforcement
Ports & Protocols
- Port 465 (SMTPS / Implicit TLS)
- Port 587 (Submission / STARTTLS)
- Port 25 (Relay — restricted)