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n8n-nodes-pipefire
Free email deliverability checks from Pipefire, as an n8n community node. No account and no API key.
Pipefire is done-for-you cold email software for agencies. This node runs the same checks as the free tools on pipefire.ai, so an answer here matches the answer on the website.
n8n is a fair-code licensed workflow automation platform.
Installation
Operations
Credentials
Compatibility
Usage
Resources
Version history
Installation
Follow the installation guide in the n8n community nodes documentation and install n8n-nodes-pipefire.
Operations
| Resource | Operation | What it does |
|---|---|---|
| Domain | Check Authentication | MX, SPF, DKIM, DMARC, BIMI and MTA-STS for a domain, with a finding and a fix for each record |
| Domain | Check Blacklists | The sending IPs of a domain, or one IPv4 address, against the main DNS blacklists |
| Check Spam Words | Scores the wording and format of an email for what spam filters react to, with a fix for each | |
| Check Subject Line | Scores a cold email subject line out of 10, with what to change | |
| Analyze Headers | Reads pasted email headers: SPF, DKIM and DMARC results, alignment, the delivery path and delays |
The node can also be used as a tool by n8n's AI Agent, so an agent can check a domain or a draft email on its own.
Credentials
None. The checks are free and public. They are rate limited per IP address, so a very large loop will be slowed down.
Compatibility
Tested with n8n 2.45.4.
Usage
Check a new client's domain before sending. Trigger on a new row in a sheet, run Domain > Check Authentication on the domain column, then use an IF node on rows where state is fail to flag what needs fixing.
Check a draft before it goes out. Run Email > Check Spam Words on the subject and body of a draft. The output has a score out of 10 and a list of findings, each with why and fix.
Give an AI agent deliverability checks. Add the Pipefire node as a tool on an AI Agent node. Ask it "is example.com set up to send cold email?" and it runs Check Authentication itself.
Each finding links to the matching Pipefire guide, so you can read why a check failed.
Resources
- Pipefire free tools
- Pipefire cold email guides
- Pipefire MCP server and command-line tool, which run the same checks
- n8n community nodes documentation
Version history
- 0.1.1: published from GitHub Actions with npm provenance.
- 0.1.0: first release. Five operations, no credentials.