resend-email

# Resend Email Sender Send emails via Resend API - no SMTP configuration needed. ## Quick Start ### 1. Configure Set environment variables in `.env`: ```bash RESEND_API_KEY=your_resend_api_key RESEND_FROM=onboarding@resend.dev # Optional, defaults to Resend test domain ``` Get API key at https://resend.com ### 2. Send Email ```bash openclaw run resend-email \ --to="recipient@example.com" \ --subject="Hello" \ --text="Plain text message" ``` ## Usage ### Basic Text Email ```bash openclaw run resend-email \ --to="user@example.com" \ --subject="Notification" \ --text="Your task is complete." ``` ### HTML Email ```bash openclaw run resend-email \ --to="user@example.com" \ --subject="Welcome" \ --html="<h1>Welcome!</h1><p>Thanks for joining.</p>" ``` ### Multiple Recipients ```bash openclaw run resend-email \ --to="user1@example.com,user2@example.com,user3@example.com" \ --subject="Team Update" \ --text="Meeting at 3 PM." ``` ### CC and BCC ```bash openclaw run resend-email \ --to="primary@example.com" \ --cc="manager@example.com" \ --bcc="archive@example.com" \ --subject="Report" \ --text="Please find the attached report." ``` ### From Agent When agent needs to send email: ```bash # Use exec to call the skill exec openclaw run resend-email \ --to="recipient@example.com" \ --subject="Automated Notification" \ --text="This email was sent automatically by the agent." ``` ## Configuration Options | Variable | Required | Default | Description | |----------|----------|---------|-------------| | `RESEND_API_KEY` | Yes | - | Your Resend API key | | `RESEND_FROM` | No | `onboarding@resend.dev` | Default sender address | ## Sender Addresses - **Test domain**: `onboarding@resend.dev` (default, no setup required) - **Custom domain**: `noreply@yourdomain.com` (requires domain verification in Resend dashboard) ## Limitations - Attachments not supported (Resend API requires base64 encoding) - Rate limits apply based on Resend plan - Email size limits per Resend documentation ## Troubleshooting **"RESEND_API_KEY not configured"** - Set `RESEND_API_KEY` in `.env` file or environment **"Failed to send email: Unauthorized"** - Check API key is correct and active - Verify API key has email sending permission **"Failed to send email: Bad Request"** - Check recipient email format is valid - Verify `from` address is verified (for custom domains) ## Resources - `scripts/send_email.py` - Main email sending script