TwinCAT SMTP

The TwinCAT SMTP Server can be used to send emails directly from the PLC. For this purpose, the ADS server is started together with TwinCAT when the installation is complete. The server is addressed via ADS from the PLC. Several function blocks are available for sending emails in the PLC:

The TwinCAT SMTP Server can communicate with a local mail server or external mail providers. It supports TLS and STARTTLS encryption methods.