Reliable, secure email delivery for your business applications, IoT devices, alert systems, copiers, and web forms. No more bounced emails or delivery issues.
Trusted by IT Teams Worldwide
Uptime Guarantee
Technical Support
TLS Encryption and MTA-STS
Digitally Signed Email
Everything your business needs for reliable email delivery
Automatic DKIM signing, SPF records and PTR records ensure your emails are authenticated and trusted by receiving servers.
Get your own dedicated IP address for maximum deliverability and reputation control.
We provide specific instructions for configuring DNS settings to optimize email delivery.
All email transmissions are secured with TLS encryption for maximum security using MTA-STS.
Simple SMTP configuration works with any application, device, or system that sends email.
Get help from our email delivery experts whenever you need assistance.
Smarthost.MX is designed for legitimate business email needs, not bulk email services.
Security systems, monitoring equipment, and IoT devices that need to send critical alerts and notifications.
Office copiers, multifunction printers, and document scanners that email scanned documents to users.
Contact forms, user registration confirmations, password resets, and transactional emails from your websites.
Server monitoring, backup completion notices, database alerts, and automated system reports.
Smarthost.MX only accepts registered business domains that you own and have administrative access. Free email services (Gmail, Yahoo, Hotmail, etc.) are not permitted to ensure service quality and prevent abuse.
Built for businesses that need reliable email delivery
Designed specifically for legitimate business email needs, not bulk marketing or spam.
Our reputation management and authentication ensure your emails reach their destination.
Simple SMTP configuration that works with any device or application in minutes.
Choose the plan that fits your business needs
Get answers to common questions about our SMTP relay service
Have more questions?
Contact Our TeamJoin hundreds of businesses that trust Smarthost.MX for their critical email delivery needs.