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SMTP

SMTP SMTP or Simple Mail Transfer Protocol is an internet standard for email transmission. This component allows sending emails via any SMTP server.

Protocol Specification

This component implements SMTP as defined in RFC 5321.

Connections

SMTP Connection {#smtpconnection}

SMTP server information

An SMTP connection requires the mail server host and port, with optional authentication and TLS settings.

Prerequisites

  • An SMTP server accessible from the network
  • Server credentials if authentication is required

Configure the Connection

  • Host: Enter the hostname of the SMTP server (e.g., smtp.example.com)
  • Port: Enter the SMTP server port (default: 587). Port 587 is commonly used for SMTP with TLS. Port 25 is disallowed, as unencrypted SMTP is insecure.
  • Use TLS: Enable to secure the connection with TLS (default: true)
  • Ignore Self-Signed Certificates: Enable to bypass self-signed certificate validation errors (default: false)
  • Username: Enter the SMTP account username (optional)
  • Password: Enter the SMTP account password (optional)
Input Comments Default
Host
Port Port 587 is often used for SMTP with TLS. Port 25 is disallowed for this connection, as unencrypted SMTP is insecure. 587
Use TLS Use TLS to secure the connection to the SMTP server. true
Ignore Self-Signed Certificates Ignores self-signed certificate errors. false
Username
Password

Actions

Send Email {#sendemail}

Send an email

Input Comments Default
Connection
To Address The destination for this email. The recipients to place on the To: line of the message.
Dynamic To Address The destination for this email. The recipients to place on the To: line of the message. An array of emails is expected.
From The email address of the sender. This is the address that will appear in the recipient's inbox as the sender of the message.
Cc Address The destination for this email. The recipients to place on the CC: line of the message.
CC Address (JSON) The destination for this email. The recipients to place on the CC: line of the message. An array of emails is expected.
Bcc Address The destination for this email. The recipients to place on the BCC: line of the message.
BCC Address (JSON) The destination for this email. The recipients to place on the BCC: line of the message. An array of emails is expected.
Reply To The reply-to email address(es) for the message. If the recipient replies to the message, each reply-to address will receive the reply.
Subject The subject of the message: A short summary of the content, which will appear in the recipient's inbox.
Text The content of the message, in text format. Use this for text-based email clients, or clients on high-latency networks (such as mobile devices).
Html The content of the message, in HTML format. Use this for email clients that can process HTML. You can include clickable links, formatted text, and much more in an HTML message.
Attachments Specify a file name as the key (i.e. 'my-file.pdf'), and the file as the value
Multiple Attachments Provide an array of attachments to send with the email.