Reliable Protocol

SMTP Relay Service

The industry standard for reliable email delivery. Integrate in minutes with any application or framework.

Engineered for Reliability

Ionix SMTP Relay is built on top of a highly optimized delivery engine designed to handle bursty traffic without compromising on speed or deliverability. Whether you're sending one email or one million, our infrastructure scales with you.

TLS 1.3 Encryption

Secure transmission for every message sent through our relay.

Smart Queueing

Intelligent re-try logic for maximum delivery success rate.

Custom DKIM/SPF

Maintain your brand reputation with full authentication support.

Global Load Balancing

Traffic is automatically routed through the fastest available node.

Relay Credentials

Hostname

smtp.ionixmail.com

Port

587 / 465 (TLS)

Auth

API KEY / LOGIN