Documentation

Get up and running
fast

Everything you need to configure SMTP email on your IoT devices. Quick start guide and device-specific setup instructions for all major brands.

Getting started

Start here

Quick start guide

Create an account, add your first device, get your SMTP credentials, send a test email. Complete walkthrough in under five minutes.

Sub-addressing model

How the handle+devicetag@iotmail.co.uk format works and why per-device addressing matters for security and traceability.

Security overview

TLS enforcement, From: header binding, DMARC reject policy, milter architecture and abuse prevention controls.

Device guides

Setup by manufacturer

RUT241, RUT955, RUT360, TRB140 and all RutOS devices. Events Reporting SMTP configuration with screenshots.

UG65, UG67 LoRaWAN gateways and UC/UR series cellular devices. Email Alarm configuration.

Sierra Wireless

AirLink RV55, RV50X, MP70, LX40. ALEOS ACEmanager Events Reporting email setup.

R2000, R3000, R5020 and EG series. RobOS Email Alarm configuration. Python SDK for EG gateway apps.

Generic SMTP setup

For any device with SMTP support. The server settings and auth requirements that work with any compliant client.

Your device not listed?

If your device supports SMTP AUTH on port 587 or 465 with TLS, it works with IoTMail. Contact us and we will add a setup guide.