Search results for: "mail header"

How can the mail header be customized to prevent unwanted information from being included when sending mail with postfix in PHP?

To customize the mail header in PHP when sending mail with postfix, you can use the `mail()` function along with the `additional_headers` parameter to...

What are the best practices for preventing mail() header-injection in PHP applications?

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

What are the potential problems with using non-encoded umlauts in a mail header in PHP?

Using non-encoded umlauts in a mail header in PHP can lead to encoding issues and potential display problems for recipients. To ensure proper encoding...

What potential issues could arise from using the $header variable in the mail() function?

Using the $header variable in the mail() function can potentially lead to security vulnerabilities such as header injection attacks. To prevent this,...

How can one ensure that the sender is mentioned in the mail header when sending emails with PHP?

To ensure that the sender is mentioned in the mail header when sending emails with PHP, you can use the `additional_headers` parameter in the `mail()`...