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Email Sending Guide

Email Types​

Before sending emails, you need to confirm the email type:

  • Verification/Notification Emails: For sending verification codes, notifications, and other transactional emails
  • Marketing Emails: For sending marketing promotions, event notifications, and other marketing emails

Preparation Before Sending​

Before using the email sending API, please ensure the following preparations are completed:

1. Account Setup​

  • ✅ Register a uSpeedo account
  • ✅ Account balance > 0 (ensure sufficient balance to send emails)

2. Domain Configuration​

  • ✅ Configure Sending Domain: Configure and verify the sending domain in the console
  • ✅ Configure Tracking Domain: Set up email tracking domain (optional, for email open and click tracking)

3. Template Preparation (when using templates)​

  • ✅ Create Email Template: Create email templates in the console or via API
  • ✅ Template Approved: Ensure templates are approved and ready to use

Sending Methods​

uSpeedo provides three email sending methods:

1. Console Sending​

Send emails directly through the uSpeedo Console, suitable for:

  • Quick testing of email sending functionality
  • Sending small volumes of emails
  • Users unfamiliar with APIs

2. HTTP API Sending​

Send emails via RESTful API, suitable for:

  • Integration into existing systems
  • Batch email sending
  • Automated email sending

Related APIs:

3. SMTP Sending​

Send emails via standard SMTP protocol, suitable for:

  • Using existing email clients or libraries
  • Scenarios requiring SMTP protocol

Notes​

  • 📧 Sender Address: Must use sender email addresses configured and verified in the console
  • 📝 Email Content: Supports HTML format, ensure content complies with email service standards
  • 📊 Batch Sending: Maximum 100 recipients per request
  • 🔍 Send Status: Query email sending status using the returned SessionNo
  • ⚠️ Limitations:
    • Verification/Notification emails: No special restrictions
    • Marketing emails: Must comply with relevant laws and regulations to avoid being marked as spam