> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mailofly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# What sending feature to use?

> Choosing between transactional emails, batch sending, campaigns, and SMTP.

Mailofly offers multiple ways to deliver emails depending on your application's architecture:

| Use Case                                              | Recommended Feature | Method                    |
| :---------------------------------------------------- | :------------------ | :------------------------ |
| **Password Resets, Alerts, Receipts**                 | Transactional API   | `POST /api/emails`        |
| **Bulk Event Updates (Custom content per recipient)** | Batch Sending       | `POST /api/emails/batch`  |
| **Marketing Newsletters & Onboarding Drips**          | Campaigns           | Visual Dashboard Composer |
| **Legacy Apps, CMS (WordPress, Laravel)**             | SMTP Gateway        | `smtp.mailofly.com:587`   |
| **AI Coding Assistants & Bots**                       | MCP Server          | Model Context Protocol    |


## Related topics

- [Why use Topics?](/guides/sending/why-use-topics.md)
- [AI onboarding](/getting-started/ai-onboarding.md)
- [Introduction](/sending/introduction.md)
- [Leaked API Keys](/guides/api-keys/leaked-api-keys.md)