Search results for: "email headers"

What are the potential security risks associated with using user input directly in email headers in PHP?

Using user input directly in email headers in PHP can lead to security risks such as email header injection attacks, where malicious users can inject...

What is the difference between text/html and text/plain in PHP email headers?

When sending emails in PHP, the "Content-Type" header specifies the type of content in the email body. Using "text/html" indicates that the email body...

How can the Recent flag be maintained when fetching email headers using imap_fetch_overview in PHP?

When fetching email headers using imap_fetch_overview in PHP, the Recent flag can be maintained by checking the "Recent" flag in the email headers and...

What role does the MIME-Version header play in PHP email headers?

The MIME-Version header in PHP email headers specifies the MIME (Multipurpose Internet Mail Extensions) version being used in the email. It is importa...

What are the potential pitfalls of including too many spaces in email headers in PHP?

Including too many spaces in email headers in PHP can lead to syntax errors or unexpected behavior when sending emails. To avoid this issue, it is ess...