SMTPNode provides secure, scalable cloud infrastructure for sending transactional emails from applications and websites.
Start BuildingAdvanced infrastructure ensures verification emails, OTP codes, and notifications reach inboxes reliably.
Integrate quickly using SMTP credentials or a simple REST API.
Track delivery, opens, and bounces with detailed metrics.
Enterprise-grade infrastructure designed for secure email transmission and data protection.
SMTPNode optimizes routing, authentication, and reputation to ensure transactional emails reach user inboxes.
Send email using traditional SMTP credentials or a RESTful API.
Monitor delivery status, opens, bounces, and failures through our analytics dashboard.
Designed to scale automatically as your application grows.
All connections are encrypted and infrastructure is monitored for abuse prevention and security.
Send transactional emails such as verification links, password resets, OTP codes, and order confirmations.
POST /send-email
{
"to": "user@example.com",
"subject": "Verify your account",
"template": "verification",
"variables": {
"code": "482193"
}
}
SMTP Host: smtp.smtpnode.us
Port: 587
Username: YOUR_SMTP_USER
Password: YOUR_SMTP_PASSWORD
50,000 emails / month
SMTP + API access
Email analytics
300,000 emails / month
Advanced analytics
Priority support
1,000,000 emails / month
Dedicated infrastructure
Enterprise support
SMTPNode is a cloud email infrastructure platform designed for developers building modern applications.
Our mission is to provide reliable and scalable infrastructure for sending transactional emails such as account verification, security alerts, password resets, and billing notifications.
We focus on deliverability, security, and developer simplicity so teams can build communication systems quickly and reliably.
Support: support@smtpnode.us
Total Emails Sent
Delivery Rate
Open Rate
SMTPNode processes email delivery data securely. Email addresses and metadata are used solely for sending transactional communications.
We implement encryption and access controls to protect user data and prevent unauthorized access.
Users of SMTPNode agree not to send spam, unsolicited bulk emails, purchased email lists, or abusive campaigns.
SMTPNode services may only be used for legitimate transactional communications generated by applications.
SMTPNode allows only transactional or opt-in communication emails.
Examples include verification emails, login alerts, security notifications, receipts, and order confirmations.
Sending unsolicited marketing emails, spam, or deceptive communications is strictly prohibited.