---
name: mailgun-7bff66e66029
description: Send emails via Mailgun API. Use when the user needs to send emails programmatically, such as newsletters, notifications, alerts, or automated reports. Requires MAILGUN_API_KEY and MAILGUN_DOMAIN environment variables to be configured.
---

# Mailgun Email Sender

Send emails programmatically using Mailgun's HTTP API.

## Prerequisites

Configure the following environment variables in `~/.zshrc` or `~/.bash_profile`:

```bash
export MAILGUN_API_KEY="key-xxxxx"      # Your Mailgun private API key
export MAILGUN_DOMAIN="mg.yourdomain.com"  # Your Mailgun domain
export MAILGUN_FROM="Sender <noreply@mg.yourdomain.com>"  # Default sender
export MAILGUN_DEFAULT_TO="you@email.com"  # Default recipient (optional)
```

Then reload your shell configuration:
```bash
source ~/.zshrc
```

## Usage

### Send a simple email

```bash
mailgun/scripts/send_email.sh "Subject" "Email body text"
```

### Send to a specific recipient

```bash
mailgun/scripts/send_email.sh "Newsletter" "Content here" "recipient@email.com"
```

### Send with custom sender

```bash
mailgun/scripts/send_email.sh "Alert" "System down" "admin@company.com" "alerts@company.com"
```

## Features

- Simple command-line interface
- Uses environment variables for configuration
- Supports custom sender and recipient
- Returns success/error status codes
- Works with HTML content (pass HTML in body parameter)

## Common Use Cases

- Daily/weekly newsletters
- System alerts and notifications
- Automated reports
- Confirmation emails
- Scheduled reminders

## Troubleshooting

**Error: MAILGUN_API_KEY and MAILGUN_DOMAIN must be set**
→ Configure environment variables as shown in Prerequisites

**Error: 401 Unauthorized**
→ Check that your API key is correct and active

**Error: 404 Not Found**
→ Verify your MAILGUN_DOMAIN is correct

## References

- Mailgun Documentation: https://documentation.mailgun.com/
- API Reference: See [references/api.md](references/api.md)


---
Source attribution: kbarbel640-del
Original project: https://github.com/kbarbel640-del/skills/blob/e7e336ac628c3e3bd771aff1aaa469c93778f94a/skills/alphafactor/mailgun/SKILL.md
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Dave AI.

## Upstream license notice

MIT License

Copyright (c) 2026 clawdbot

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Dave AI resource metadata

Creator / publisher: kbarbel640-del
Original project: https://github.com/kbarbel640-del/skills/blob/e7e336ac628c3e3bd771aff1aaa469c93778f94a/skills/alphafactor/mailgun/SKILL.md
Attribution basis: Source repository record

Fields of work: Marketing
Roles: Content Marketer, Email Marketer, Growth Marketer
Specialties: API, Cross Platform
Tools: Mailgun
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: e38e5b9d23cbf95bc225f7e288175e5b4b5eeebfc8e342fafeea7994fdd1a42b