Create single new masked email address with Fastmail

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Template Description This n8n workflow template allows you to create a masked email address using the Fastmail API, triggered by a webhook. This is especially useful for generating disposable email...

Best for

Personal Productivity automation workflows
intermediate n8n builders looking for reusable templates

Tools used

n8n-nodes-base.httprequest, n8n-nodes-base.respondtowebhook, n8n-nodes-base.stickynote, n8n-nodes-base.set, n8n-nodes-base.webhook

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Vitali.

Original n8n.io source

1.1 Workflow description

Title: Create single new masked email address with Fastmail
Workflow name: Create single new masked email address with Fastmail

Template Description

This n8n workflow template allows you to create a masked email address using the Fastmail API, triggered by a webhook. This is especially useful for generating disposable email addresses for privacy-conscious users or for testing purposes.

Workflow Details:

Webhook Trigger: The workflow is initiated by sending a POST request to a specific webhook. You can include state and description in your request body to customize the masked email's state and description.
Session Retrieval: The workflow makes an HTTP request to the Fastmail API to retrieve session information. It uses this data to authenticate further requests.
Create Masked Email: Using the retrieved session data, the workflow sends a POST request to Fastmail's JMAP API to create a masked email. It uses the provided state and description from the webhook payload.
Prepare Output: Once the masked email is successfully created, the workflow extracts the email address and attaches the description for further processing.
Respond to Webhook: Finally, the workflow responds to the original POST request with the newly created masked email and its description.

Requirements:

Fastmail API Access: You will need valid API credentials for Fastmail configured with HTTP Header Authentication.
Authorization Setup: Optionally set up authorization if your webhook is exposed to the internet to prevent misuse.

Custom Webhook Request: Use a tool like curl or create a shortcut on macOS/iOS to send the POST request to the webhook with the necessary JSON payload, like so:

curl -X POST -H 'Content-Type: application/json' https://your-n8n-instance/webhook/87f9abd1-2c9b-4d1f-8c7f-2261f4698c3c -d '{"state": "pending", "description": "my mega fancy masked email"}'

This template simplifies the process of integrating masked email functionality into your projects or workflows and can be extended for various use cases.

Feel free to use the companion shortcut I've also created. Please update the authorization header in the shortcut if needed.

https://www.icloud.com/shortcuts/ac249b50eab34c04acd9fb522f9f7068

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Session

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 2 - create random masked email

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 3 - Respond to Webhook

Type / Role: n8n-nodes-base.respondToWebhook - respondToWebhook
Config choices: Version 1.1

Block 4 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 5 - get fields for creation

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 6 - prepare output

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 7 - Webhook

Type / Role: n8n-nodes-base.webhook - webhook
Config choices: Version 2

3. Summary Table

Workflow	Create single new masked email address with Fastmail
Complexity	intermediate
Nodes	7
Categories	Personal Productivity
Author	Vitali
Published	19 Oct 2024

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/2471/2471.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Personal Productivity workflows

Frequently asked questions

What does Create single new masked email address with Fastmail do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Personal Productivity use case.

Vitali

5 workflows

Nodes

n8n-nodes-base.httprequest n8n-nodes-base.respondtowebhook n8n-nodes-base.stickynote n8n-nodes-base.set n8n-nodes-base.webhook

Complexity

intermediate

Published 19 Oct 2024

Likes 0

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Install path: /data/workflows/2471/2471.json

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Create single new masked email address with Fastmail

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Template Description

Workflow Details:

Requirements:

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Session

Block 2 - create random masked email

Block 3 - Respond to Webhook

Block 4 - Sticky Note

Block 5 - get fields for creation

Block 6 - prepare output

Block 7 - Webhook

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions