This article provides a complete, practical walkthrough of the Manual Mailgun Automate Triggered n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:  
   Automate Email Delivery with n8n and Mailgun: A Simple Workflow Example
   
   Meta Description:  
   Learn how to set up a simple n8n workflow to send automated emails using Mailgun. This easy tutorial walks through how to trigger and send messages with no code.
   
   Keywords:  
   n8n workflow, Mailgun email automation, automated emails, no-code email workflow, send email with n8n, Mailgun API, n8n Mailgun integration, trigger email n8n, workflow automation, open-source automation tool
   
   Third-Party APIs Used:  
   - Mailgun API
   
   Article:
   
   Automate Email Delivery with n8n and Mailgun: A Simple Workflow Example
   
   In the age of automation, businesses and individuals alike are constantly seeking ways to streamline digital communications. One of the most common automation use cases involves sending emails—whether for internal notifications, marketing campaigns, or user responses. Thanks to no-code tools like n8n and email service providers like Mailgun, anyone can set up such workflows without writing a single line of code.
   
   This article will walk you through a basic workflow in n8n that triggers an email using the Mailgun API. Designed for simplicity and clarity, this example is ideal for beginners who want to dip their toes into automation without a steep learning curve.
   
   What Is n8n?
   
   n8n is a powerful, open-source automation platform that enables users to connect various apps and services in custom workflows. Unlike proprietary automation tools that often charge for higher usage, n8n is free to self-host and offers flexibility through nodes that serve as connectors to different apps, services, or functions.
   
   Enter Mailgun
   
   Mailgun is a widely used transactional email API, often favored for its reliability, scalability, and developer-friendly interface. It allows users to send, receive, and track emails effortlessly using nothing more than HTTP requests and API credentials.
   
   Creating the Workflow
   
   Let’s break down our example n8n workflow, which comprises only two nodes, making it simple yet illustrative of the automation power that n8n and Mailgun can unlock.
   
   1. Manual Trigger Node
   
   The first node in the workflow is a Manual Trigger. This node is designed to let users execute the workflow manually from within the n8n editor. It’s perfect for testing purposes or for creating workflows that don’t require constant listening for external events.
   
   In our case, the workflow starts when the user clicks “Execute” in the n8n UI.
   
   2. Mailgun Node
   
   The second node is the Mailgun integration. Configured to send a basic email message, this node includes the following parameters:
   
   - From: user@example.com  
   - To: user2@example.com  
   - Subject: This is a Subject  
   - Body Text: This is a test message
   
   These values are hard-coded for demonstration purposes but could easily be replaced with dynamic values from other nodes, such as input from a webform, data from a spreadsheet, or a CRM system.
   
   To authenticate the Mailgun node, we’re using credentials saved under the label “mailgun-creds.” This keeps your API key secure while allowing n8n to perform authenticated requests to Mailgun’s API.
   
   How It Works
   
   Once the workflow is set up and saved:
   
   1. Click the “Execute Workflow” button within n8n.
   2. The manual trigger activates the workflow.
   3. The Mailgun node receives the signal and sends an email to the specified recipient.
   4. Done! Your recipient (user2@example.com) gets the email instantly.
   
   This straightforward scenario effectively illustrates how easy it is to set up task automation with n8n and how you can turn repetitive actions into seamless background processes.
   
   Why This Matters
   
   While this particular example is pretty basic, it lays the foundation for much more complex workflows. For instance, you could:
   
   - Trigger the Mailgun email from a webhook
   - Dynamically generate the email body using inputs from forms or APIs
   - Add conditional logic to decide whether to send an email at all
   - Use loops to batch send emails to multiple recipients
   
   The real power of n8n lies in its modular design. Nodes can chain together practically limitlessly, and workflows can include time-based triggers, error handling, and parallel processes.
   
   Security Note
   
   When using APIs like Mailgun within n8n, make sure you store your credentials securely and restrict access to your n8n instance. Even basic email workflows can expose sensitive information if not properly protected.
   
   Final Thoughts
   
   If you’ve never worked with n8n or Mailgun before, this workflow is an excellent starting point. Although simple, it demonstrates a core principle of automation: eliminating repetitive tasks in favor of efficiency and consistency. From sending transactional emails to building full-fledged CRM integrations, tools like n8n make it all possible—no coding required.
   
   Try building this sample workflow today and see just how accessible automation can be.
   
   —  
   Written by your AI assistant — helping you turn powerful tools into real-world solutions.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.