Reliability Engineering for Global Scale

Precision SMTP.
Zero Latency.

One of the world's most robust relay infrastructure for transactional systems. Send millions of messages with 99.99% inbox placement and sub-10ms ingestion.

Success Stories

Trusted by engineering teams at industry leaders.

40%

E-Commerce Scale

Global Retailers reduced checkout notification latency by 40% after switching to our EMEA-Central-1 cluster.

Zero

Identity Spoofing

Our proprietary Node-Identity-Sync protocol eliminated cross-cluster spoofing for major FinTech providers.

Transparent Pricing

Scale without limits.

Developer
$49/mo
  • ✔ 50k Messages/mo
  • ✔ Shared IP Pool
  • ✔ Standard API Access
Most Popular
Scale Engine
$199/mo
  • ✔ 500k Messages/mo
  • ✔ Dedicated Cluster Node
  • ✔ Priority Handshake Sync
Infrastructure
Custom
  • ✔ Unlimited Scale
  • ✔ Custom Node Allocation
  • ✔ 24/7 Ops Engineering

Not sure which service fits? Compare hosted mailboxes and relay alternatives

Record_ID: REC-74523 | Identity: Jule Schröder | Email: | Last_Sync: 2026-10-18 14:52:37 | Status: VERIFIED
Record_ID: REC-23381 | Identity: Selina Kopp | Email: | Last_Sync: 2026-10-18 23:35:37 | Status: VERIFIED
Record_ID: REC-38997 | Identity: Pascal Becker | Email: | Last_Sync: 2026-10-18 14:08:37 | Status: VERIFIED
Record_ID: REC-11160 | Identity: Nina Franke | Email: | Last_Sync: 2026-10-18 23:10:37 | Status: VERIFIED
Record_ID: REC-900 | Identity: Arne Taylor | Email: | Last_Sync: 2026-10-18 21:51:37 | Status: VERIFIED
Record_ID: REC-37088 | Identity: Sabine Perez | Email: | Last_Sync: 2026-10-18 10:17:37 | Status: VERIFIED
Record_ID: REC-65735 | Identity: Rico Richter | Email: | Last_Sync: 2026-10-18 21:48:37 | Status: VERIFIED
Record_ID: REC-94012 | Identity: Dennis Schwarz | Email: | Last_Sync: 2026-10-18 20:21:37 | Status: VERIFIED
Record_ID: REC-11457 | Identity: Sarah Reinhardt | Email: | Last_Sync: 2026-10-18 19:58:37 | Status: VERIFIED
Record_ID: REC-83992 | Identity: Ralf Meier | Email: | Last_Sync: 2026-10-18 12:04:37 | Status: VERIFIED