n8n-nodes-smtp-advanced

Advanced SMTP node for n8n with support for:

• Reply-To headers: Send emails with custom Reply-To addresses
• Custom headers: Add any custom email headers
• Forward emails: Forward existing emails to other recipients
• Standard email sending: Send regular emails with attachments

Installation

Community Nodes (Recommended)

1. Go to Settings > Community Nodes in n8n
2. Select Install
3. Enter n8n-nodes-smtp-advanced
4. Agree to the risks and install

Manual Installation

npm install n8n-nodes-smtp-advanced

Configuration

Add SMTP credentials in n8n:

• Host: Your SMTP server hostname
• Port: SMTP port (usually 587 or 465)
• SSL/TLS: Enable if required
• Username: SMTP username
• Password: SMTP password

Operations

Send Email

Send a regular email with optional attachments and custom headers.

Parameters:

• From Email
• To Email(s)
• Subject
• Text/HTML content
• Attachments (optional)
• Custom Headers (optional)
• Reply-To (optional)

Reply To Email

Reply to an existing email with proper threading headers.

Parameters:

• Original Message ID
• Original References
• From Email
• To Email(s)
• Subject
• Text/HTML content
• Reply-To (optional)
• Custom Headers (optional)

Forward Email

Forward an email to other recipients.

Parameters:

• From Email
• To Email(s)
• Original Subject
• Original Content
• Forward Comment (optional)
• Attachments from original (optional)

Example Usage

Simple Email with Reply-To

{
  "operation": "send",
  "fromEmail": "[email protected]",
  "toEmail": "[email protected]",
  "subject": "Test Email",
  "text": "Hello World",
  "replyTo": "[email protected]"
}

Reply with Custom Headers

{
  "operation": "reply",
  "messageId": "<[email protected]>",
  "references": "<[email protected]> <[email protected]>",
  "fromEmail": "[email protected]",
  "toEmail": "[email protected]",
  "subject": "Re: Your inquiry",
  "html": "<p>Thank you for contacting us...</p>"
}

License

MIT