Agent skill · software engineering · aj-geddes
email-service-integration
Integrate email services with backends using SMTP, third-party providers, templates, and asynchronous sending. Use when implementing email functionality, sending transactional emails, and managing email workflows.
Why this skill is useful
Provides specific integration patterns and templates for various email services that the AI wouldn't reliably generate on its own.
What it needs
Requires flask, flask-mail installed locally. Requires aws-ses, mailgun, sendgrid account access. About 2k tokens when loaded. Last updated 2026-03-04. 307 stars on the source repository.
What this skill does
Email Service Integration Table of Contents Overview When to Use Quick Start Reference Guides Best Practices Overview Build comprehensive email systems with SMTP integration, third-party email providers (SendGrid, Mailgun, AWS SES), HTML templates, email validation, retry mechanisms, and proper error handling. When to Use Sending transactional emails Implementing welcome/confirmation emails Creating password reset flows Sending notification emails Building email templates Managing bulk email campaigns Quick Start Minimal working example: Reference Guides Detailed implementations in the references/ directory: Guide Contents --- --- Python/Flask with SMTP Python/Flask with SMTP Node.js with SendGrid Node.js with SendGrid Email Templates with Mjml Email Templates with Mjml FastAPI Email with Background Tasks FastAPI Email with Background Tasks Email Validation and Verification Email Validation and Verification Best Practices ✅ DO Use transactional email providers for reliability Implement email templates for consistency Add unsubscribe links (required by law) Use background tasks for email sending Implement proper error handling and retries Validate email addresses before sending Add rate limiting to prevent abuse Monitor email delivery and bounces Use SMTP authentication Test emails in development environment ❌ DON'T Send emails synchronously in request handlers Store passwords in code Send sensitive information in emails Use generic email addresses for sensitive operations Skip email validation Ignore bounce and complaint notifications Use HTML email with inline styles excessively Forget to handle failed email deliveries Send emails without proper templates Store email addresses without consent
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aj-geddes/email-service-integration