Built For Reliable Email Delivery
SendorX delivers transactional and marketing email through a single SMTP relay and Web API. Built for reliability, security and speed. Everything teams need to send, track and scale emails — without the noise.
Send & queue effortlessly
Reliable queueing keeps every message moving even at peak volume.
SMTP & API, simplifying delivery
Drop-in SMTP relay or a clean Web API — pick the path that fits your stack.
Deliverability that matters
Built-in DKIM, SPF and reputation tooling so messages land in the inbox.
No-nonsense reliability
Higher availability with automated monitoring of queue health & deliverability.
How It Works?
Over 1M+ emails sent daily.
Upload contacts
Import your email list.
SMTP & API integration
Plug SendorX in wherever you send mail today. Use SMTP relay for instant compatibility, or call our Web API for full control.
Read the docsForward mail through smtp.sendorx.com
Authenticated relay over TLS on port 587 — works with any SMTP client.
JSON over HTTPS, idempotent sends
Token-authenticated REST API with webhooks for events and bounces.
Send emails
Using SMTP & API integration.
Built for Every Team
Whether you're a developer, marketer or operator — SendorX fits.
Developers
SDKs, webhooks and a clean REST API to ship faster.
Marketers
Drag-and-drop campaigns, segmentation and live analytics.
Operators
Real-time monitoring, audit logs and role-based access.