Integration - SMTP

Type identifier: integration:smtp Category: Integration Operations

Description

The Integration - SMTP node sends emails through an SMTP server. It supports various email formats including plain text, HTML, and rich content with automatic text fallback. The node can handle attachments and supports common email features like CC, BCC, and reply threading.

Input Handles

Handle	Type	Description
`host`	`string`	(Dynamic) SMTP server hostname.
`port`	`number`	(Dynamic) SMTP server port.
`secure`	`boolean`	(Dynamic) Use TLS/SSL connection.
`user`	`string`	(Dynamic) SMTP authentication username.
`password`	secret	(Dynamic) SMTP authentication password.
`from`	`string` or email object	(Dynamic) Sender email address.
`to`	email array	(Dynamic) Recipient email addresses.
`cc`	email array	(Dynamic) CC recipients.
`bcc`	email array	(Dynamic) BCC recipients.
`replyTo`	email	(Dynamic) Reply-to address.
`subject`	`string`	(Dynamic) Email subject line.
`body`	varies	(Dynamic) Email body content.
`attachments`	array	(Dynamic) File attachments.

Note: Dynamic input handles appear based on configuration.

Output Handles

This node has no data output handles. It triggers the next node in the control flow upon completion.

Configuration Options

Server Settings

Option	Type	Default	Description
Host	`string` or dynamic	`"smtp.example.com"`	SMTP server hostname.
Port	`number` or dynamic	`465`	SMTP server port (typically 465 for SSL, 587 for TLS).
Secure	`boolean` or dynamic	`true`	Use secure TLS/SSL connection.
User	`string` or dynamic	-	SMTP authentication username.
Password	dynamic (secret)	-	SMTP authentication password.

Email Settings

Option	Type	Description
From	email or dynamic	Sender address (string or {name, address} object).
To	email array or dynamic	Primary recipients.
CC	email array or dynamic	Carbon copy recipients (optional).
BCC	email array or dynamic	Blind carbon copy recipients (optional).
Reply-To	email or dynamic	Reply-to address (optional).
In-Reply-To	`string` or dynamic	Message-ID for reply threading (optional).
Subject	`string` or dynamic	Email subject line.

Body Content

The body can be one of three types:

Type	Description
content	Rich content that auto-generates both HTML and plain text.
text	Plain text only.
html	HTML with automatic plain text fallback.

Attachments

Files can be attached via the dynamic attachments input.

Behaviour

Validates all required fields are provided
Resolves dynamic values for server settings and email fields
Connects to SMTP server with configured credentials
Constructs email message with:
- Sender and recipient addresses
- Subject and body content
- Attachments (if any)
- Threading headers (if replying)
Sends the email via SMTP
Logs success or failure