What are the potential security risks associated with implementing Net_SMTP in PHP scripts?

One potential security risk associated with implementing Net_SMTP in PHP scripts is the possibility of sending sensitive information, such as passwords, in plain text over the network. To mitigate this risk, it is recommended to use encryption, such as SSL or TLS, when sending emails using Net_SMTP. 

$smtp = new Net_SMTP($smtp_host, $smtp_port, $options);
$smtp->useAuthentication(true);
$smtp->setAuth($username, $password, Net_SMTP::AUTH_PLAIN);
$smtp->connect($smtp_host, $smtp_port, Net_SMTP::AUTH_PLAIN, $options, $timeout);

// Use SSL encryption
$smtp->startTLS();

Keywords

Net_SMTP PHP scripts security risks implementation vulnerabilities

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