i><li><p><strong>SMTP PORT</strong><br> The port used for sending (typically <code>465</code> for SSL or <code>587</code> for TLS).<br><em>→ Defines the communication channel to the SMTP server.</em></p></li><li><p><strong>Secure Connection</strong><br> Indicates whether a secure connection is used (<code>SSL</code> or <code>TLS</code>).<br><em>→ Important for secure transmission of emails.</em></p></li><li><p><strong>SMTP Username</strong><br> The username for the email account (often the full email ad