HuSend

Global market · English default

Global transactional email

Transactional email infrastructure built for production

Operate customer communication, system events and application email through an infrastructure focused on SMTP relay, JSON API, reputation control and operational stability.

Dedicated hostnames are ready for app.husend.com, api.husend.com, docs.husend.com and status.husend.com. New hostnames activate automatically as soon as DNS reaches the new server.
ChannelsSMTP + JSON APIProduction delivery through standard SMTP relay and a simple HTTP/JSON integration layer.
DeliverabilityRejection controlProvider-aware throttling, bounce taxonomy, temporary pauses and reputation protection.
OperationsLogs + status + backupOperational visibility with ACCT, DIAG, backup drill and public status endpoints.

Built for operators

HuSend was designed for teams that need more control than a basic outbound mailbox. It fits SaaS, ERP, e-commerce, system alerts and multi-tenant environments.

  • SMTP relay for existing software
  • API JSON for application-native delivery
  • Provider-aware shaping and rejection planning

Launch safely

The platform is structured for controlled go-live. You validate DNS, create credentials, warm up domains and monitor queues, logs and deferreds before scaling volume.

  • Domain health and sender validation
  • Operational logs for ACCT and DIAG
  • Backup routine with drill restore

Sell globally

The public layer is ready for a global rollout, with dedicated hostnames for app, API, docs and status, plus regional content routing by language.

  • English, Portuguese, Spanish and French landing pages
  • Separated product surfaces for marketing and operations
  • Backup volume isolated from the main application disk
HuSend global site on husend.com. Dedicated product hostnames are staged and activate as DNS goes live.