Search results for: "mail header"

How does mail() header-injection work in PHP and what are the potential risks?

Mail() header injection in PHP occurs when user input is not properly sanitized before being included in email headers, allowing malicious users to in...

How can mail-header-injection vulnerabilities be prevented when sending emails using PHP's mail function?

Mail-header-injection vulnerabilities can be prevented by sanitizing user input before including it in the email headers. This can be achieved by vali...

What are the best practices for specifying encoding in the header when using PHP Mail function?

When sending emails using the PHP Mail function, it is important to specify the encoding in the header to ensure that special characters are displayed...

What is the correct syntax for the "From" header in an email sent using PHP's mail function?

When sending an email using PHP's mail function, the "From" header should include the sender's email address and optionally their name. The correct sy...

What is the significance of the error message "sendmail_from" not set in php.ini or custom "From:" header missing in relation to the mail() function in PHP?

The error message "sendmail_from" not set in php.ini or custom "From:" header missing indicates that the sender email address is not properly configur...