between Navicat On-Prem Server and clients, you can configure Navicat On-Prem Server to use the SSL/TLS protocol. Click + Add Certificate and configure the following information: Name Enter the name Port Enter the port number you connect to your outgoing email (SMTP) server. Require a secure (TLS) connection Enable this option if your SMTP server requires a secure encrypted connection.

SMTP server requires authorization to send email. Secure Connection Specify the connection to use TLS, SSL secure connection or Never. Send Test Mail Navicat will send you a test mail indicating success OLD_PASSWORD() function to generate a hash value for storing user password. SSL Type Specify the SSL/TLS-related options for the user account. ANY Require SSL encryption when the user connects. SPECIFIED

SMTP server requires authorization to send email. Secure connection Specify the connection to use TLS, SSL secure connection or Never. Send Test Mail Navicat will send you a test mail indicating success OLD_PASSWORD() function to generate a hash value for storing user password. SSL Type Specify the SSL/TLS-related options for the user account. ANY Require SSL encryption when the user connects. SPECIFIED

SMTP server requires authorization to send email. Secure connection Specify the connection to use TLS, SSL secure connection or Never. Send Test Mail Navicat will send you a test mail indicating success OLD_PASSWORD() function to generate a hash value for storing user password. SSL Type Specify the SSL/TLS-related options for the user account. ANY Require SSL encryption when the user connects. SPECIFIED